python: Sort imports in management commands.

zerver/management/commands/add_users_to_mailing_list.py

@@ -1,15 +1,15 @@
 
-from django.conf import settings
-from django.core.management.base import BaseCommand
-from django.utils.timezone import now as timezone_now
-from zerver.models import UserProfile
-
 import argparse
 from datetime import datetime
+from typing import Any
+
 import requests
 import ujson
+from django.conf import settings
+from django.core.management.base import BaseCommand
+from django.utils.timezone import now as timezone_now
 
-from typing import Any
+from zerver.models import UserProfile
 
 class Command(BaseCommand):
     help = """Add users to a MailChimp mailing list."""

zerver/management/commands/add_users_to_streams.py

@@ -3,7 +3,7 @@ from typing import Any
 
 from django.core.management.base import CommandParser
 
-from zerver.lib.actions import create_stream_if_needed, bulk_add_subscriptions
+from zerver.lib.actions import bulk_add_subscriptions, create_stream_if_needed
 from zerver.lib.management import ZulipBaseCommand
 
 class Command(ZulipBaseCommand):

zerver/management/commands/bankrupt_users.py

@@ -1,7 +1,7 @@
 
-from typing import Any
-
 from argparse import ArgumentParser
+from typing import Any
+
 from django.core.management.base import CommandError
 
 from zerver.lib.actions import do_mark_all_as_read

zerver/management/commands/bulk_change_user_name.py

@@ -1,7 +1,7 @@
 
-from typing import Any
-
 from argparse import ArgumentParser
+from typing import Any
+
 from django.core.management.base import CommandError
 
 from zerver.lib.actions import do_change_full_name

zerver/management/commands/check_redis.py

@@ -1,15 +1,14 @@
 
-from typing import Any, Callable, Optional
-
-from zerver.models import get_user_profile_by_id
-from zerver.lib.rate_limiter import client, max_api_calls, max_api_window, \
-    RateLimitedUser
-
-from django.core.management.base import BaseCommand, CommandParser
-from django.conf import settings
-
 import logging
 import time
+from typing import Any, Callable, Optional
+
+from django.conf import settings
+from django.core.management.base import BaseCommand, CommandParser
+
+from zerver.lib.rate_limiter import RateLimitedUser, \
+    client, max_api_calls, max_api_window
+from zerver.models import get_user_profile_by_id
 
 class Command(BaseCommand):
     help = """Checks redis to make sure our rate limiting system hasn't grown a bug

zerver/management/commands/checkconfig.py

@@ -1,9 +1,9 @@
 
+import sys
 from typing import Any
 
-from django.core.management.base import BaseCommand
 from django.conf import settings
-import sys
+from django.core.management.base import BaseCommand
 
 class Command(BaseCommand):
     help = """Checks your Zulip Voyager Django configuration for issues."""

zerver/management/commands/compilemessages.py

@@ -1,18 +1,16 @@
 
 import os
 import re
-import ujson
+from subprocess import CalledProcessError, check_output
-
-from subprocess import check_output, CalledProcessError
 from typing import Any, Dict, List, Text
 
-from django.core.management.commands import compilemessages
+import polib
+import ujson
 from django.conf import settings
 from django.conf.locale import LANG_INFO
+from django.core.management.commands import compilemessages
 from django.utils.translation.trans_real import to_language
 
-import polib
-
 from zerver.lib.i18n import with_language
 
 class Command(compilemessages.Command):

zerver/management/commands/convert_bot_to_outgoing_webhook.py

@@ -1,7 +1,6 @@
 
-from typing import Any
-
 from argparse import ArgumentParser
+from typing import Any
 
 from zerver.lib.management import ZulipBaseCommand
 from zerver.models import Service, UserProfile

zerver/management/commands/create_default_stream_groups.py

@@ -1,11 +1,10 @@
 
-from typing import Any
-
 from argparse import ArgumentParser
-from zerver.lib.management import ZulipBaseCommand
+from typing import Any
-from zerver.lib.actions import create_stream_if_needed
-from zerver.models import DefaultStreamGroup
 
+from zerver.lib.actions import create_stream_if_needed
+from zerver.lib.management import ZulipBaseCommand
+from zerver.models import DefaultStreamGroup
 
 class Command(ZulipBaseCommand):
     help = """

zerver/management/commands/create_stream.py

@@ -1,12 +1,11 @@
 
+import sys
+from argparse import ArgumentParser
 from typing import Any
 
 from zerver.lib.actions import create_stream_if_needed
-from zerver.lib.str_utils import force_text
 from zerver.lib.management import ZulipBaseCommand
-
+from zerver.lib.str_utils import force_text
-from argparse import ArgumentParser
-import sys
 
 class Command(ZulipBaseCommand):
     help = """Create a stream, and subscribe all active users (excluding bots).

zerver/management/commands/create_user.py

@@ -1,19 +1,17 @@
 
+import argparse
+import sys
 from typing import Any
 
-import sys
-import argparse
-
-from django.core.management.base import CommandError
-from django.core.exceptions import ValidationError
-from django.db.utils import IntegrityError
 from django.core import validators
+from django.core.exceptions import ValidationError
+from django.core.management.base import CommandError
+from django.db.utils import IntegrityError
 
-from zerver.models import email_to_username
+from zerver.lib.actions import do_create_user, notify_new_user
-from zerver.lib.actions import do_create_user
-from zerver.lib.actions import notify_new_user
 from zerver.lib.initial_password import initial_password
 from zerver.lib.management import ZulipBaseCommand
+from zerver.models import email_to_username
 
 class Command(ZulipBaseCommand):
     help = """Create the specified user with a default initial password.

zerver/management/commands/deactivate_realm.py

@@ -1,7 +1,6 @@
 
-from typing import Any
-
 from argparse import ArgumentParser
+from typing import Any
 
 from zerver.lib.actions import do_deactivate_realm
 from zerver.lib.management import ZulipBaseCommand

zerver/management/commands/deactivate_user.py

@@ -1,11 +1,10 @@
 
-from typing import Any
-
 from argparse import ArgumentParser
+from typing import Any
 
 from zerver.lib.actions import do_deactivate_user
-from zerver.lib.sessions import user_sessions
 from zerver.lib.management import ZulipBaseCommand
+from zerver.lib.sessions import user_sessions
 from zerver.models import UserProfile
 
 class Command(ZulipBaseCommand):

zerver/management/commands/delete_old_unclaimed_attachments.py

@@ -1,7 +1,7 @@
 
-from typing import Any
-
 from argparse import ArgumentParser
+from typing import Any
+
 from django.core.management.base import BaseCommand
 
 from zerver.lib.actions import do_delete_old_unclaimed_attachments

zerver/management/commands/deliver_email.py

@@ -10,18 +10,18 @@ on all but one machine to make the command have no effect.)
 """
 
 
+import time
+from typing import Any
+
 from django.conf import settings
 from django.core.management.base import BaseCommand
 from django.utils.timezone import now as timezone_now
-
-from zerver.models import ScheduledEmail
-from zerver.lib.context_managers import lockfile
-from zerver.lib.send_email import send_email, EmailNotDeliveredException
-
-import time
-from zerver.lib.logging_util import create_logger
 from ujson import loads
-from typing import Any
+
+from zerver.lib.context_managers import lockfile
+from zerver.lib.logging_util import create_logger
+from zerver.lib.send_email import EmailNotDeliveredException, send_email
+from zerver.models import ScheduledEmail
 
 ## Setup ##
 logger = create_logger(__name__, settings.EMAIL_DELIVERER_LOG_PATH, 'DEBUG')

zerver/management/commands/dump_messages.py

@@ -1,13 +1,13 @@
 
+import datetime
+import time
 from typing import Any
 
 from django.core.management.base import CommandParser
 from django.utils.timezone import utc as timezone_utc
-from zerver.models import Message, Stream, Recipient
-from zerver.lib.management import ZulipBaseCommand
 
-import datetime
+from zerver.lib.management import ZulipBaseCommand
-import time
+from zerver.models import Message, Recipient, Stream
 
 class Command(ZulipBaseCommand):
     help = "Dump messages from public streams of a realm"

zerver/management/commands/email_mirror.py

@@ -22,19 +22,17 @@ recipient address and retrieve, forward, and archive the message.
 """
 
 
-from typing import Any, List, Generator
+import email
-
 import logging
+from email.message import Message
+from imaplib import IMAP4_SSL
+from typing import Any, Generator, List
 
 from django.conf import settings
 from django.core.management.base import BaseCommand
 
 from zerver.lib.email_mirror import logger, process_message
 
-import email
-from email.message import Message
-from imaplib import IMAP4_SSL
-
 ## Setup ##
 
 log_format = "%(asctime)s: %(message)s"

zerver/management/commands/enqueue_digest_emails.py

@@ -1,12 +1,11 @@
 import datetime
-
 from typing import Any, List
 
 from django.conf import settings
 from django.core.management.base import BaseCommand
 from django.utils.timezone import now as timezone_now
 
-from zerver.lib.digest import enqueue_emails, DIGEST_CUTOFF
+from zerver.lib.digest import DIGEST_CUTOFF, enqueue_emails
 from zerver.lib.logging_util import create_logger
 
 ## Logging setup ##

zerver/management/commands/enqueue_file.py

@@ -1,13 +1,12 @@
 
-from typing import Any, IO
-
-from argparse import ArgumentParser
-from django.core.management.base import BaseCommand
-from zerver.lib.queue import queue_json_publish
-
 import sys
-import ujson
+from argparse import ArgumentParser
+from typing import IO, Any
 
+import ujson
+from django.core.management.base import BaseCommand
+
+from zerver.lib.queue import queue_json_publish
 
 def error(*args: Any) -> None:
     raise Exception('We cannot enqueue because settings.USING_RABBITMQ is False.')

zerver/management/commands/export.py

@@ -1,17 +1,15 @@
 
-from typing import Any
-
-from argparse import ArgumentParser, RawTextHelpFormatter
-from django.core.management.base import CommandError
-
 import os
 import shutil
 import subprocess
 import tempfile
+from argparse import ArgumentParser, RawTextHelpFormatter
+from typing import Any
 
-from zerver.lib.export import (
+from django.core.management.base import CommandError
-    do_export_realm, do_write_stats_file_for_realm_export
+
-)
+from zerver.lib.export import do_export_realm, \
+    do_write_stats_file_for_realm_export
 from zerver.lib.management import ZulipBaseCommand
 
 class Command(ZulipBaseCommand):

zerver/management/commands/export_single_user.py

@@ -1,12 +1,10 @@
 
-from typing import Any
-
-from argparse import ArgumentParser
-
 import os
 import shutil
 import subprocess
 import tempfile
+from argparse import ArgumentParser
+from typing import Any
 
 from zerver.lib.export import do_export_user
 from zerver.lib.management import ZulipBaseCommand

zerver/management/commands/export_usermessage_batch.py

@@ -1,13 +1,12 @@
 
-from typing import Any
-
-from argparse import ArgumentParser
-from django.core.management.base import BaseCommand
-
 import glob
 import logging
 import os
 import shutil
+from argparse import ArgumentParser
+from typing import Any
+
+from django.core.management.base import BaseCommand
 
 from zerver.lib.export import export_usermessages_batch
 

zerver/management/commands/fill_memcached_caches.py

@@ -1,9 +1,10 @@
 
-from typing import Any
-
 from argparse import ArgumentParser
+from typing import Any
+
 from django.core.management.base import BaseCommand
-from zerver.lib.cache_helpers import fill_remote_cache, cache_fillers
+
+from zerver.lib.cache_helpers import cache_fillers, fill_remote_cache
 
 class Command(BaseCommand):
     def add_arguments(self, parser: ArgumentParser) -> None:

zerver/management/commands/fix_unreads.py

@@ -1,20 +1,15 @@
 
 import logging
 import sys
-
+from argparse import ArgumentParser
 from typing import Any, List, Optional, Text
 
-from argparse import ArgumentParser
 from django.core.management.base import CommandError
 from django.db import connection
 
-from zerver.lib.management import ZulipBaseCommand
 from zerver.lib.fix_unreads import fix
-
+from zerver.lib.management import ZulipBaseCommand
-from zerver.models import (
+from zerver.models import Realm, UserProfile
-    Realm,
-    UserProfile
-)
 
 logging.getLogger('zulip.fix_unreads').setLevel(logging.INFO)
 

zerver/management/commands/generate_invite_links.py

@@ -1,8 +1,9 @@
 
-from typing import Any
-
 from argparse import ArgumentParser
+from typing import Any
+
 from django.core.management.base import CommandError
+
 from confirmation.models import Confirmation, create_confirmation_link
 from zerver.lib.management import ZulipBaseCommand
 from zerver.models import PreregistrationUser, email_allowed_for_realm

zerver/management/commands/generate_multiuse_invite_link.py

@@ -1,10 +1,10 @@
 
-from typing import Any
-
 from argparse import ArgumentParser
+from typing import Any
+
 from confirmation.models import Confirmation, create_confirmation_link
-from zerver.lib.management import ZulipBaseCommand
 from zerver.lib.actions import create_stream_if_needed
+from zerver.lib.management import ZulipBaseCommand
 from zerver.models import MultiuseInvite
 
 class Command(ZulipBaseCommand):

zerver/management/commands/generate_realm_creation_link.py

@@ -1,11 +1,13 @@
 
+import sys
 from argparse import ArgumentParser, RawTextHelpFormatter
 from typing import Any
+
 from django.core.management.base import BaseCommand
 from django.db import ProgrammingError
+
 from confirmation.models import generate_realm_creation_url
 from zerver.models import Realm
-import sys
 
 class Command(BaseCommand):
     help = """

zerver/management/commands/get_migration_status.py

@@ -2,11 +2,12 @@
 import argparse
 import os
 from typing import Any
-from django.db import DEFAULT_DB_ALIAS
-from django.core.management.base import BaseCommand
 
-from zerver.lib.test_fixtures import get_migration_status
+from django.core.management.base import BaseCommand
+from django.db import DEFAULT_DB_ALIAS
+
 from scripts.lib.zulip_tools import get_dev_uuid_var_path
+from zerver.lib.test_fixtures import get_migration_status
 
 class Command(BaseCommand):
     help = "Get status of migrations."

zerver/management/commands/import.py

@@ -1,17 +1,18 @@
 
-from django.core.management import call_command
-from django.core.management.base import BaseCommand, CommandParser
-from django.conf import settings
-
-from zerver.models import Realm, Stream, UserProfile, Recipient, Subscription, \
-    Message, UserMessage, Huddle, DefaultStream, RealmDomain, RealmFilter, Client
-from zerver.lib.export import do_import_realm
-
 import argparse
 import os
 import subprocess
-
 from typing import Any
+
+from django.conf import settings
+from django.core.management import call_command
+from django.core.management.base import BaseCommand, CommandParser
+
+from zerver.lib.export import do_import_realm
+from zerver.models import Client, DefaultStream, Huddle, \
+    Message, Realm, RealmDomain, RealmFilter, Recipient, \
+    Stream, Subscription, UserMessage, UserProfile
+
 Model = Any  # TODO: make this mypy type more specific
 
 class Command(BaseCommand):

zerver/management/commands/initialize_voyager_db.py

@@ -1,15 +1,14 @@
 
-from typing import Any, Iterable, Tuple, Text
-
-from django.core.management.base import BaseCommand
-
-from django.contrib.sites.models import Site
-from zerver.models import UserProfile, Realm, get_client, email_to_username
-from django.conf import settings
-from zerver.lib.bulk_create import bulk_create_users
-from zerver.models import get_system_bot
-
 from argparse import ArgumentParser
+from typing import Any, Iterable, Text, Tuple
+
+from django.conf import settings
+from django.contrib.sites.models import Site
+from django.core.management.base import BaseCommand
+
+from zerver.lib.bulk_create import bulk_create_users
+from zerver.models import Realm, UserProfile, \
+    email_to_username, get_client, get_system_bot
 
 settings.TORNADO_SERVER = None
 

zerver/management/commands/knight.py

@@ -1,7 +1,7 @@
 
-from typing import Any
-
 from argparse import ArgumentParser
+from typing import Any
+
 from django.core.management.base import CommandError
 
 from zerver.lib.actions import do_change_is_admin

zerver/management/commands/list_realms.py

@@ -1,11 +1,10 @@
 
 import sys
-
-from typing import Any
 from argparse import ArgumentParser
+from typing import Any
 
-from zerver.models import Realm
 from zerver.lib.management import ZulipBaseCommand
+from zerver.models import Realm
 
 class Command(ZulipBaseCommand):
     help = """List realms in the server and it's configuration settings(optional).

zerver/management/commands/logout_all_users.py

@@ -1,10 +1,10 @@
 
-from typing import Any
 from argparse import ArgumentParser
+from typing import Any
 
 from zerver.lib.management import ZulipBaseCommand
-from zerver.lib.sessions import delete_all_user_sessions, \
+from zerver.lib.sessions import delete_all_deactivated_user_sessions, \
-    delete_realm_user_sessions, delete_all_deactivated_user_sessions
+    delete_all_user_sessions, delete_realm_user_sessions
 
 class Command(ZulipBaseCommand):
     help = "Log out all users."

zerver/management/commands/makemessages.py

@@ -29,17 +29,16 @@ http://stackoverflow.com/questions/2090717
 
 """
 
-from typing import Any, Dict, Iterable, Mapping, Text, List
-
-from argparse import ArgumentParser
-import os
-import re
 import glob
 import json
+import os
+import re
+from argparse import ArgumentParser
+from typing import Any, Dict, Iterable, List, Mapping, Text
 
-from django.core.management.commands import makemessages
-from django.template.base import BLOCK_TAG_START, BLOCK_TAG_END
 from django.conf import settings
+from django.core.management.commands import makemessages
+from django.template.base import BLOCK_TAG_END, BLOCK_TAG_START
 from django.utils.translation import template
 
 from zerver.lib.str_utils import force_text

zerver/management/commands/merge_streams.py

@@ -1,13 +1,13 @@
 
-from typing import Any, List
-
-from zerver.lib.actions import bulk_remove_subscriptions, bulk_add_subscriptions, \
-    do_deactivate_stream
-from zerver.lib.cache import cache_delete_many, to_dict_cache_key_id
-from zerver.lib.management import ZulipBaseCommand
-from zerver.models import get_stream, Subscription, get_stream_recipient, Message
-
 from argparse import ArgumentParser
+from typing import Any, List
+
+from zerver.lib.actions import bulk_add_subscriptions, \
+    bulk_remove_subscriptions, do_deactivate_stream
+from zerver.lib.cache import cache_delete_many, to_dict_cache_key_id
+from zerver.lib.management import ZulipBaseCommand
+from zerver.models import Message, Subscription, \
+    get_stream, get_stream_recipient
 
 def bulk_delete_cache_keys(message_ids_to_clear: List[int]) -> None:
     while len(message_ids_to_clear) > 0:

zerver/management/commands/print_email_delivery_backlog.py

@@ -4,14 +4,14 @@ Shows backlog count of ScheduledEmail
 """
 
 
+from datetime import timedelta
 from typing import Any
+
 from django.core.management.base import BaseCommand
 from django.utils.timezone import now as timezone_now
 
 from zerver.models import ScheduledEmail
 
-from datetime import timedelta
-
 class Command(BaseCommand):
     help = """Shows backlog count of ScheduledEmail
 (The number of currently overdue (by at least a minute) email jobs)

zerver/management/commands/process_queue.py

@@ -1,16 +1,17 @@
 
+import logging
+import signal
+import sys
+import threading
+from argparse import ArgumentParser
 from types import FrameType
 from typing import Any, List
 
-from argparse import ArgumentParser
-from django.core.management.base import BaseCommand
 from django.conf import settings
+from django.core.management.base import BaseCommand
 from django.utils import autoreload
-from zerver.worker.queue_processors import get_worker, get_active_worker_queues
+
-import sys
+from zerver.worker.queue_processors import get_active_worker_queues, get_worker
-import signal
-import logging
-import threading
 
 class Command(BaseCommand):
     def add_arguments(self, parser: ArgumentParser) -> None:

zerver/management/commands/purge_queue.py

@@ -1,9 +1,10 @@
 
-from typing import Any
-
 from argparse import ArgumentParser
-from django.core.management.base import BaseCommand
+from typing import Any
+
 from django.core.management import CommandError
+from django.core.management.base import BaseCommand
+
 from zerver.lib.queue import SimpleQueueClient
 from zerver.worker.queue_processors import get_active_worker_queues
 

zerver/management/commands/query_ldap.py

@@ -1,15 +1,12 @@
 
-from typing import Any
-
 from argparse import ArgumentParser
+from typing import Any
 
+from django.conf import settings
 from django.contrib.auth import get_backends
 from django.core.management.base import BaseCommand
-from django.conf import settings
-
 from django_auth_ldap.backend import LDAPBackend, _LDAPUser
 
-
 # Quick tool to test whether you're correctly authenticating to LDAP
 def query_ldap(**options: str) -> None:
     email = options['email']

zerver/management/commands/rate_limit.py

@@ -1,10 +1,11 @@
 
-from typing import Any
-
 from argparse import ArgumentParser
-from zerver.models import UserProfile, get_user_profile_by_api_key
+from typing import Any
-from zerver.lib.rate_limiter import block_access, unblock_access, RateLimitedUser
+
 from zerver.lib.management import ZulipBaseCommand
+from zerver.lib.rate_limiter import RateLimitedUser, \
+    block_access, unblock_access
+from zerver.models import UserProfile, get_user_profile_by_api_key
 
 class Command(ZulipBaseCommand):
     help = """Manually block or unblock a user from accessing the API"""

zerver/management/commands/reactivate_realm.py

@@ -1,7 +1,6 @@
 
-from typing import Any
-
 from argparse import ArgumentParser
+from typing import Any
 
 from zerver.lib.actions import do_reactivate_realm
 from zerver.lib.management import ZulipBaseCommand

zerver/management/commands/realm_domain.py

@@ -1,13 +1,14 @@
 
+import sys
+from argparse import ArgumentParser
 from typing import Any
 
-from argparse import ArgumentParser
 from django.core.exceptions import ValidationError
 from django.db.utils import IntegrityError
-from zerver.models import RealmDomain, get_realm_domains
+
-from zerver.lib.management import ZulipBaseCommand
 from zerver.lib.domains import validate_domain
-import sys
+from zerver.lib.management import ZulipBaseCommand
+from zerver.models import RealmDomain, get_realm_domains
 
 class Command(ZulipBaseCommand):
     help = """Manage domains for the specified realm"""

zerver/management/commands/realm_emoji.py

@@ -1,12 +1,12 @@
 
-from argparse import RawTextHelpFormatter
+import sys
+from argparse import ArgumentParser, RawTextHelpFormatter
 from typing import Any
 
-from argparse import ArgumentParser
 from django.core.management.base import CommandParser
+
 from zerver.lib.actions import check_add_realm_emoji, do_remove_realm_emoji
 from zerver.lib.management import ZulipBaseCommand
-import sys
 
 class Command(ZulipBaseCommand):
     help = """Manage emoji for the specified realm

zerver/management/commands/realm_filters.py

@@ -1,12 +1,11 @@
 
+import sys
+from argparse import ArgumentParser
 from typing import Any
 
-from argparse import ArgumentParser
-
-from zerver.models import all_realm_filters
 from zerver.lib.actions import do_add_realm_filter, do_remove_realm_filter
 from zerver.lib.management import ZulipBaseCommand
-import sys
+from zerver.models import all_realm_filters
 
 class Command(ZulipBaseCommand):
     help = """Create a link filter rule for the specified realm.

zerver/management/commands/rename_stream.py

@@ -1,14 +1,12 @@
 
-from typing import Any
-
-from argparse import ArgumentParser
-
-from zerver.lib.actions import do_rename_stream
-from zerver.lib.str_utils import force_text
-from zerver.lib.management import ZulipBaseCommand
-from zerver.models import get_stream
-
 import sys
+from argparse import ArgumentParser
+from typing import Any
+
+from zerver.lib.actions import do_rename_stream
+from zerver.lib.management import ZulipBaseCommand
+from zerver.lib.str_utils import force_text
+from zerver.models import get_stream
 
 class Command(ZulipBaseCommand):
     help = """Change the stream name for a realm."""

zerver/management/commands/runtornado.py

@@ -1,28 +1,29 @@
 
+import logging
+import sys
+from typing import Any, Callable
+
 from django.conf import settings
-settings.RUNNING_INSIDE_TORNADO = True
+from django.core.management.base import BaseCommand, \
-# We must call zerver.tornado.ioloop_logging.instrument_tornado_ioloop
+    CommandError, CommandParser
-# before we import anything else from our project in order for our
-# Tornado load logging to work; otherwise we might accidentally import
-# zerver.lib.queue (which will instantiate the Tornado ioloop) before
-# this.
-from zerver.tornado.ioloop_logging import instrument_tornado_ioloop
-instrument_tornado_ioloop()
-
-from django.core.management.base import BaseCommand, CommandError, CommandParser
 from tornado import ioloop
 from tornado.log import app_log
-from typing import Callable, Any
 
 from zerver.lib.debug import interactive_debug_listen
 from zerver.tornado.application import create_tornado_application, \
     setup_tornado_rabbitmq
 from zerver.tornado.event_queue import add_client_gc_hook, \
     missedmessage_hook, process_notification, setup_event_queue
+# We must call zerver.tornado.ioloop_logging.instrument_tornado_ioloop
+# before we import anything else from our project in order for our
+# Tornado load logging to work; otherwise we might accidentally import
+# zerver.lib.queue (which will instantiate the Tornado ioloop) before
+# this.
+from zerver.tornado.ioloop_logging import instrument_tornado_ioloop
 from zerver.tornado.socket import respond_send_message
 
-import logging
+settings.RUNNING_INSIDE_TORNADO = True
-import sys
+instrument_tornado_ioloop()
 
 if settings.USING_RABBITMQ:
     from zerver.lib.queue import get_queue_client

zerver/management/commands/send_password_reset_email.py

@@ -1,16 +1,16 @@
 
 import logging
+from argparse import ArgumentParser
 from typing import Any, Dict, List, Optional, Text
 
-from argparse import ArgumentParser
+from django.contrib.auth.tokens import PasswordResetTokenGenerator, \
-from zerver.models import UserProfile
+    default_token_generator
-from django.utils.http import urlsafe_base64_encode
 from django.utils.encoding import force_bytes
+from django.utils.http import urlsafe_base64_encode
 
-from django.contrib.auth.tokens import default_token_generator, PasswordResetTokenGenerator
+from zerver.lib.management import CommandError, ZulipBaseCommand
-
+from zerver.lib.send_email import FromAddress, send_email
-from zerver.lib.send_email import send_email, FromAddress
+from zerver.models import UserProfile
-from zerver.lib.management import ZulipBaseCommand, CommandError
 
 class Command(ZulipBaseCommand):
     help = """Send email to specified email address."""

zerver/management/commands/send_stats.py

@@ -1,9 +1,9 @@
 
-from typing import Any
-
 from argparse import ArgumentParser
-from django.core.management.base import BaseCommand
+from typing import Any
+
 from django.conf import settings
+from django.core.management.base import BaseCommand
 
 class Command(BaseCommand):
     help = """Send some stats to statsd."""

zerver/management/commands/send_webhook_fixture_message.py

@@ -1,10 +1,10 @@
 
 import os
-import ujson
 
-from django.test import Client
+import ujson
 from django.conf import settings
 from django.core.management.base import CommandParser
+from django.test import Client
 
 from zerver.lib.management import ZulipBaseCommand
 from zerver.models import get_realm

zerver/management/commands/set_default_streams.py

@@ -1,12 +1,11 @@
 
+import sys
 from argparse import ArgumentParser, RawTextHelpFormatter
 from typing import Any, Dict, Text
 
 from zerver.lib.actions import set_default_streams
 from zerver.lib.management import ZulipBaseCommand
 
-import sys
-
 class Command(ZulipBaseCommand):
     help = """Set default streams for a realm
 

zerver/management/commands/set_message_flags.py

@@ -1,16 +1,14 @@
 
-from typing import Any, Iterable
-
 import logging
 import sys
+from typing import Any, Iterable
 
 from django.core.management.base import CommandParser
+from django.db import models
 
 from zerver.lib import utils
 from zerver.lib.management import ZulipBaseCommand
 from zerver.models import UserMessage
-from django.db import models
-
 
 class Command(ZulipBaseCommand):
     help = """Sets user message flags. Used internally by actions.py. Marks all

zerver/management/commands/show_admins.py

@@ -1,10 +1,11 @@
 
+import sys
+from argparse import ArgumentParser
 from typing import Any
 
-from argparse import ArgumentParser
 from django.core.management.base import BaseCommand
-from zerver.models import get_realm, Realm
+
-import sys
+from zerver.models import Realm, get_realm
 
 class Command(BaseCommand):
     help = """Show the admins in a realm."""

zerver/management/commands/show_unreads.py

@@ -1,17 +1,12 @@
 
-from typing import Any, Dict, List, Set
-
 from argparse import ArgumentParser
+from typing import Any, Dict, List, Set
+
 from django.core.management.base import CommandError
 
 from zerver.lib.management import ZulipBaseCommand
 from zerver.lib.topic_mutes import build_topic_mute_checker
-from zerver.models import (
+from zerver.models import Recipient, Subscription, UserMessage, UserProfile
-    Recipient,
-    Subscription,
-    UserMessage,
-    UserProfile
-)
 
 def get_unread_messages(user_profile: UserProfile) -> List[Dict[str, Any]]:
     user_msgs = UserMessage.objects.filter(

zerver/management/commands/soft_deactivate_users.py

@@ -1,16 +1,14 @@
 
+import sys
+from argparse import ArgumentParser
+from typing import Any, Dict, List
+
 from django.conf import settings
 
-from typing import Any, List, Dict
-from argparse import ArgumentParser
-import sys
-
-from zerver.models import UserProfile, Realm
-from zerver.lib.soft_deactivation import (
-    do_soft_deactivate_users, do_soft_activate_users,
-    get_users_for_soft_deactivation, logger
-)
 from zerver.lib.management import ZulipBaseCommand
+from zerver.lib.soft_deactivation import do_soft_activate_users, \
+    do_soft_deactivate_users, get_users_for_soft_deactivation, logger
+from zerver.models import Realm, UserProfile
 
 class Command(ZulipBaseCommand):
     help = """Soft activate/deactivate users. Users are recognised by there emails here."""

zerver/management/commands/sync_ldap_user_data.py

@@ -1,13 +1,13 @@
 
 from typing import Any
 
+from django.conf import settings
 from django.core.management.base import BaseCommand
 from django.db.utils import IntegrityError
-from django.conf import settings
 
-from zproject.backends import ZulipLDAPUserPopulator
-from zerver.models import UserProfile
 from zerver.lib.logging_util import create_logger
+from zerver.models import UserProfile
+from zproject.backends import ZulipLDAPUserPopulator
 
 ## Setup ##
 logger = create_logger(__name__, settings.LDAP_SYNC_LOG_PATH, 'INFO')