python: Sort imports in smaller apps.

analytics/lib/counts.py

@@ -1,21 +1,21 @@
+import time
+from collections import OrderedDict, defaultdict
+from datetime import datetime, timedelta
+from typing import Any, Callable, Dict, List, \
+    Optional, Text, Tuple, Type, Union
+
 from django.conf import settings
 from django.db import connection, models
 from django.db.models import F
 
-from analytics.models import InstallationCount, RealmCount, \
-    UserCount, StreamCount, BaseCount, FillState, Anomaly, installation_epoch, \
-    last_successful_fill
-from zerver.models import Realm, UserProfile, Message, Stream, \
-    UserActivityInterval, RealmAuditLog, models
-from zerver.lib.timestamp import floor_to_hour, ceiling_to_day, \
-    ceiling_to_hour, verify_UTC
-
-from typing import Any, Callable, Dict, List, Optional, Text, Tuple, Type, Union
-
-from collections import defaultdict, OrderedDict
-from datetime import timedelta, datetime
+from analytics.models import Anomaly, BaseCount, \
+    FillState, InstallationCount, RealmCount, StreamCount, \
+    UserCount, installation_epoch, last_successful_fill
 from zerver.lib.logging_util import create_logger
-import time
+from zerver.lib.timestamp import ceiling_to_day, \
+    ceiling_to_hour, floor_to_hour, verify_UTC
+from zerver.models import Message, Realm, RealmAuditLog, \
+    Stream, UserActivityInterval, UserProfile, models
 
 ## Logging setup ##
 

analytics/lib/fixtures.py

@@ -1,9 +1,9 @@
-from analytics.lib.counts import CountStat
-
 from math import sqrt
 from random import gauss, random, seed
 from typing import List
 
+from analytics.lib.counts import CountStat
+
 def generate_time_series_data(days=100, business_hours_base=10, non_business_hours_base=10,
                               growth=1, autocorrelation=0, spikiness=1, holiday_rate=0,
                               frequency=CountStat.DAY, partial_sum=False, random_seed=26):

analytics/lib/time_utils.py

@@ -1,10 +1,9 @@
-from zerver.lib.timestamp import floor_to_hour, floor_to_day, \
-    verify_UTC
-from analytics.lib.counts import CountStat
-
 from datetime import datetime, timedelta
 from typing import List, Optional
 
+from analytics.lib.counts import CountStat
+from zerver.lib.timestamp import floor_to_day, floor_to_hour, verify_UTC
+
 # If min_length is None, returns end_times from ceiling(start) to floor(end), inclusive.
 # If min_length is greater than 0, pads the list to the left.
 # So informally, time_range(Sep 20, Sep 22, day, None) returns [Sep 20, Sep 21, Sep 22],

analytics/management/commands/analyze_mit.py

@@ -1,11 +1,12 @@
+import datetime
+import logging
+import time
 from typing import Any, Dict
 
 from django.core.management.base import BaseCommand, CommandParser
-from zerver.models import Recipient, Message
+
 from zerver.lib.timestamp import timestamp_to_datetime
-import datetime
-import time
-import logging
+from zerver.models import Message, Recipient
 
 def compute_stats(log_level):
     # type: (int) -> None

analytics/management/commands/analyze_user_activity.py

@@ -1,12 +1,12 @@
+import datetime
 from typing import Any, Dict
 
-from zerver.lib.statistics import seconds_usage_between
-
 from django.core.management.base import BaseCommand, CommandParser
-from zerver.models import UserProfile
-import datetime
 from django.utils.timezone import utc
 
+from zerver.lib.statistics import seconds_usage_between
+from zerver.models import UserProfile
+
 def analyze_activity(options):
     # type: (Dict[str, Any]) -> None
     day_start = datetime.datetime.strptime(options["date"], "%Y-%m-%d").replace(tzinfo=utc)

analytics/management/commands/clear_analytics_tables.py

@@ -1,12 +1,11 @@
 import sys
-
 from argparse import ArgumentParser
+from typing import Any
+
 from django.core.management.base import BaseCommand
 
 from analytics.lib.counts import do_drop_all_analytics_tables
 
-from typing import Any
-
 class Command(BaseCommand):
     help = """Clear analytics tables."""
 

analytics/management/commands/clear_single_stat.py

@@ -1,11 +1,10 @@
 import sys
-
 from argparse import ArgumentParser
+from typing import Any
+
 from django.core.management.base import BaseCommand
 
-from analytics.lib.counts import do_drop_single_stat, COUNT_STATS
-
-from typing import Any
+from analytics.lib.counts import COUNT_STATS, do_drop_single_stat
 
 class Command(BaseCommand):
     help = """Clear analytics tables."""

analytics/management/commands/client_activity.py

@@ -1,14 +1,13 @@
+import datetime
+from argparse import ArgumentParser
 from typing import Any
 
-from argparse import ArgumentParser
 from django.db.models import Count, QuerySet
 from django.utils.timezone import now as timezone_now
 
 from zerver.lib.management import ZulipBaseCommand
 from zerver.models import UserActivity
 
-import datetime
-
 class Command(ZulipBaseCommand):
     help = """Report rough client activity globally, for a realm, or for a user
 

analytics/management/commands/populate_analytics_db.py

@@ -1,19 +1,17 @@
 
+from datetime import datetime, timedelta
+from typing import Any, Dict, List, Mapping, Optional, Text, Type, Union
+
 from django.core.management.base import BaseCommand
 from django.utils.timezone import now as timezone_now
 
-from analytics.lib.counts import COUNT_STATS, CountStat, do_drop_all_analytics_tables
+from analytics.lib.counts import COUNT_STATS, \
+    CountStat, do_drop_all_analytics_tables
 from analytics.lib.fixtures import generate_time_series_data
 from analytics.lib.time_utils import time_range
-from analytics.models import BaseCount, RealmCount, \
-    UserCount, FillState
+from analytics.models import BaseCount, FillState, RealmCount, UserCount
 from zerver.lib.timestamp import floor_to_day
-from zerver.models import Realm, UserProfile, Client, \
-    RealmAuditLog
-
-from datetime import datetime, timedelta
-
-from typing import Any, Dict, List, Optional, Text, Type, Union, Mapping
+from zerver.models import Client, Realm, RealmAuditLog, UserProfile
 
 class Command(BaseCommand):
     help = """Populates analytics tables with randomly generated data."""

analytics/management/commands/realm_stats.py

@@ -1,15 +1,14 @@
+import datetime
+from argparse import ArgumentParser
 from typing import Any, List
 
-from argparse import ArgumentParser
-import datetime
 import pytz
-
 from django.core.management.base import BaseCommand
 from django.db.models import Count
 from django.utils.timezone import now as timezone_now
 
-from zerver.models import UserProfile, Realm, Stream, Message, Recipient, UserActivity, \
-    Subscription, UserMessage, get_realm
+from zerver.models import Message, Realm, Recipient, Stream, \
+    Subscription, UserActivity, UserMessage, UserProfile, get_realm
 
 MOBILE_CLIENT_LIST = ["Android", "ios"]
 HUMAN_CLIENT_LIST = MOBILE_CLIENT_LIST + ["website"]

analytics/management/commands/stream_stats.py

@@ -1,9 +1,11 @@
+from argparse import ArgumentParser
 from typing import Any
 
-from argparse import ArgumentParser
 from django.core.management.base import BaseCommand
 from django.db.models import Q
-from zerver.models import Realm, Stream, Message, Subscription, Recipient, get_realm
+
+from zerver.models import Message, Realm, \
+    Recipient, Stream, Subscription, get_realm
 
 class Command(BaseCommand):
     help = "Generate statistics on the streams for a realm."

analytics/management/commands/update_analytics_counts.py

@@ -1,21 +1,19 @@
 import os
-from scripts.lib.zulip_tools import ENDC, WARNING
-
-from argparse import ArgumentParser
 import time
+from argparse import ArgumentParser
+from typing import Any, Dict
 
+from django.conf import settings
 from django.core.management.base import BaseCommand
+from django.utils.dateparse import parse_datetime
 from django.utils.timezone import now as timezone_now
 from django.utils.timezone import utc as timezone_utc
-from django.utils.dateparse import parse_datetime
-from django.conf import settings
 
 from analytics.lib.counts import COUNT_STATS, logger, process_count_stat
+from scripts.lib.zulip_tools import ENDC, WARNING
 from zerver.lib.timestamp import floor_to_hour
 from zerver.models import Realm
 
-from typing import Any, Dict
-
 class Command(BaseCommand):
     help = """Fills Analytics tables.
 

analytics/management/commands/user_stats.py

@@ -1,11 +1,11 @@
-from argparse import ArgumentParser
 import datetime
+from argparse import ArgumentParser
 from typing import Any
 
 from django.core.management.base import BaseCommand
 from django.utils.timezone import now as timezone_now
 
-from zerver.models import UserProfile, Realm, Stream, Message, get_realm
+from zerver.models import Message, Realm, Stream, UserProfile, get_realm
 
 class Command(BaseCommand):
     help = "Generate statistics on user activity."

analytics/migrations/0001_initial.py

@@ -1,9 +1,9 @@
 # -*- coding: utf-8 -*-
-from django.db import models, migrations
 import django.db.models.deletion
 from django.conf import settings
-import zerver.lib.str_utils
+from django.db import migrations, models
 
+import zerver.lib.str_utils
 
 class Migration(migrations.Migration):
 

analytics/migrations/0002_remove_huddlecount.py

@@ -1,7 +1,6 @@
 # -*- coding: utf-8 -*-
 from django.db import migrations, models
 
-
 class Migration(migrations.Migration):
 
     dependencies = [

analytics/migrations/0003_fillstate.py

@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 from django.db import migrations, models
-import zerver.lib.str_utils
 
+import zerver.lib.str_utils
 
 class Migration(migrations.Migration):
 

analytics/migrations/0004_add_subgroup.py

@@ -1,7 +1,6 @@
 # -*- coding: utf-8 -*-
 from django.db import migrations, models
 
-
 class Migration(migrations.Migration):
 
     dependencies = [

analytics/migrations/0005_alter_field_size.py

@@ -1,7 +1,6 @@
 # -*- coding: utf-8 -*-
 from django.db import migrations, models
 
-
 class Migration(migrations.Migration):
 
     dependencies = [

analytics/migrations/0006_add_subgroup_to_unique_constraints.py

@@ -1,7 +1,6 @@
 # -*- coding: utf-8 -*-
 from django.db import migrations, models
 
-
 class Migration(migrations.Migration):
 
     dependencies = [

analytics/migrations/0007_remove_interval.py

@@ -3,7 +3,6 @@
 from django.conf import settings
 from django.db import migrations
 
-
 class Migration(migrations.Migration):
 
     dependencies = [

analytics/migrations/0008_add_count_indexes.py

@@ -2,7 +2,6 @@
 # Generated by Django 1.10.5 on 2017-02-01 22:28
 from django.db import migrations
 
-
 class Migration(migrations.Migration):
 
     dependencies = [

analytics/migrations/0009_remove_messages_to_stream_stat.py

@@ -1,8 +1,7 @@
 # -*- coding: utf-8 -*-
+from django.db import migrations
 from django.db.backends.postgresql_psycopg2.schema import DatabaseSchemaEditor
 from django.db.migrations.state import StateApps
-from django.db import migrations
-
 
 def delete_messages_sent_to_stream_stat(apps, schema_editor):
     # type: (StateApps, DatabaseSchemaEditor) -> None

analytics/migrations/0010_clear_messages_sent_values.py

@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
+from django.db import migrations
 from django.db.backends.postgresql_psycopg2.schema import DatabaseSchemaEditor
 from django.db.migrations.state import StateApps
-from django.db import migrations
 
 def clear_message_sent_by_message_type_values(apps, schema_editor):
     # type: (StateApps, DatabaseSchemaEditor) -> None

analytics/migrations/0011_clear_analytics_tables.py

@@ -1,8 +1,7 @@
 # -*- coding: utf-8 -*-
+from django.db import migrations
 from django.db.backends.postgresql_psycopg2.schema import DatabaseSchemaEditor
 from django.db.migrations.state import StateApps
-from django.db import migrations
-
 
 def clear_analytics_tables(apps, schema_editor):
     # type: (StateApps, DatabaseSchemaEditor) -> None

analytics/models.py

@@ -1,11 +1,10 @@
+import datetime
+from typing import Any, Dict, Optional, Text, Tuple, Union
+
 from django.db import models
 
-from zerver.models import Realm, UserProfile, Stream, Recipient
 from zerver.lib.timestamp import floor_to_day
-
-import datetime
-
-from typing import Optional, Tuple, Union, Dict, Any, Text
+from zerver.models import Realm, Recipient, Stream, UserProfile
 
 class FillState(models.Model):
     property = models.CharField(max_length=40, unique=True)  # type: Text

analytics/tests/test_counts.py

@@ -1,4 +1,8 @@
 
+from datetime import datetime, timedelta
+from typing import Any, Dict, List, Optional, Text, Tuple, Type, Union
+
+import ujson
 from django.apps import apps
 from django.db import models
 from django.db.models import Sum
@@ -6,23 +10,20 @@ from django.test import TestCase
 from django.utils.timezone import now as timezone_now
 from django.utils.timezone import utc as timezone_utc
 
-from analytics.lib.counts import CountStat, COUNT_STATS, process_count_stat, \
-    do_fill_count_stat_at_hour, do_increment_logging_stat, DataCollector, \
-    sql_data_collector, LoggingCountStat, do_aggregate_to_summary_table, \
-    do_drop_all_analytics_tables, do_drop_single_stat, DependentCountStat
-from analytics.models import BaseCount, InstallationCount, RealmCount, \
-    UserCount, StreamCount, FillState, Anomaly, installation_epoch, \
-    last_successful_fill
-from zerver.lib.actions import do_create_user, do_deactivate_user, \
-    do_activate_user, do_reactivate_user, update_user_activity_interval
-from zerver.lib.timestamp import floor_to_day, TimezoneNotUTCException
-from zerver.models import Realm, UserProfile, Message, Stream, Recipient, \
-    Huddle, Client, UserActivityInterval, RealmAuditLog, get_client, get_user
-
-from datetime import datetime, timedelta
-import ujson
-
-from typing import Any, Dict, List, Optional, Text, Tuple, Type, Union
+from analytics.lib.counts import COUNT_STATS, CountStat, DataCollector, \
+    DependentCountStat, LoggingCountStat, do_aggregate_to_summary_table, \
+    do_drop_all_analytics_tables, do_drop_single_stat, \
+    do_fill_count_stat_at_hour, do_increment_logging_stat, \
+    process_count_stat, sql_data_collector
+from analytics.models import Anomaly, BaseCount, \
+    FillState, InstallationCount, RealmCount, StreamCount, \
+    UserCount, installation_epoch, last_successful_fill
+from zerver.lib.actions import do_activate_user, do_create_user, \
+    do_deactivate_user, do_reactivate_user, update_user_activity_interval
+from zerver.lib.timestamp import TimezoneNotUTCException, floor_to_day
+from zerver.models import Client, Huddle, Message, Realm, \
+    RealmAuditLog, Recipient, Stream, UserActivityInterval, \
+    UserProfile, get_client, get_user
 
 class AnalyticsTestCase(TestCase):
     MINUTE = timedelta(seconds = 60)

analytics/tests/test_fixtures.py

@@ -1,7 +1,6 @@
-from zerver.lib.test_classes import ZulipTestCase
-
 from analytics.lib.counts import CountStat
 from analytics.lib.fixtures import generate_time_series_data
+from zerver.lib.test_classes import ZulipTestCase
 
 # A very light test suite; the code being tested is not run in production.
 class TestFixtures(ZulipTestCase):

analytics/tests/test_views.py

@@ -1,20 +1,19 @@
-from django.utils.timezone import utc
-from zerver.lib.test_classes import ZulipTestCase
-from zerver.lib.timestamp import ceiling_to_hour, ceiling_to_day, \
-    datetime_to_timestamp
-from zerver.models import Client, get_realm
-
-from analytics.lib.counts import CountStat, COUNT_STATS
-from analytics.lib.time_utils import time_range
-from analytics.models import RealmCount, UserCount, \
-    FillState, last_successful_fill
-from analytics.views import stats, get_chart_data, sort_by_totals, \
-    sort_client_labels, rewrite_client_arrays
-
 from datetime import datetime, timedelta
-import mock
+from typing import Dict, List, Optional
 
-from typing import List, Dict, Optional
+import mock
+from django.utils.timezone import utc
+
+from analytics.lib.counts import COUNT_STATS, CountStat
+from analytics.lib.time_utils import time_range
+from analytics.models import FillState, \
+    RealmCount, UserCount, last_successful_fill
+from analytics.views import get_chart_data, rewrite_client_arrays, \
+    sort_by_totals, sort_client_labels, stats
+from zerver.lib.test_classes import ZulipTestCase
+from zerver.lib.timestamp import ceiling_to_day, \
+    ceiling_to_hour, datetime_to_timestamp
+from zerver.models import Client, get_realm
 
 class TestStatsEndpoint(ZulipTestCase):
     def test_stats(self):

analytics/urls.py

@@ -1,7 +1,7 @@
-from django.conf.urls import url, include
-from zerver.lib.rest import rest_dispatch
+from django.conf.urls import include, url
 
 import analytics.views
+from zerver.lib.rest import rest_dispatch
 
 i18n_urlpatterns = [
     # Server admin (user_profile.is_staff) visible stats pages

analytics/views.py

@@ -1,42 +1,40 @@
 
+import itertools
+import json
+import logging
+import re
+import time
+from collections import defaultdict
+from datetime import datetime, timedelta
+from typing import Any, Callable, Dict, List, \
+    Optional, Set, Text, Tuple, Type, Union
+
+import pytz
 from django.conf import settings
 from django.core import urlresolvers
 from django.db import connection
 from django.db.models import Sum
 from django.db.models.query import QuerySet
-from django.http import HttpResponseNotFound, HttpRequest, HttpResponse
+from django.http import HttpRequest, HttpResponse, HttpResponseNotFound
+from django.shortcuts import render
 from django.template import RequestContext, loader
 from django.utils.timezone import now as timezone_now
 from django.utils.translation import ugettext as _
-from django.shortcuts import render
 from jinja2 import Markup as mark_safe
 
-from analytics.lib.counts import CountStat, process_count_stat, COUNT_STATS
+from analytics.lib.counts import COUNT_STATS, CountStat, process_count_stat
 from analytics.lib.time_utils import time_range
-from analytics.models import BaseCount, InstallationCount, RealmCount, \
-    UserCount, StreamCount, last_successful_fill
-
-from zerver.decorator import require_server_admin, zulip_login_required, \
-    to_non_negative_int, to_utc_datetime
+from analytics.models import BaseCount, InstallationCount, \
+    RealmCount, StreamCount, UserCount, last_successful_fill
+from zerver.decorator import require_server_admin, \
+    to_non_negative_int, to_utc_datetime, zulip_login_required
 from zerver.lib.exceptions import JsonableError
-from zerver.lib.request import has_request_variables, REQ
+from zerver.lib.request import REQ, has_request_variables
 from zerver.lib.response import json_success
-from zerver.lib.timestamp import ceiling_to_hour, ceiling_to_day, \
-    timestamp_to_datetime, convert_to_UTC
-from zerver.models import Realm, UserProfile, UserActivity, \
-    UserActivityInterval, Client
-
-from collections import defaultdict
-from datetime import datetime, timedelta
-import itertools
-import json
-import logging
-import pytz
-import re
-import time
-
-from typing import Any, Callable, Dict, List, Optional, Set, Text, \
-    Tuple, Type, Union
+from zerver.lib.timestamp import ceiling_to_day, \
+    ceiling_to_hour, convert_to_UTC, timestamp_to_datetime
+from zerver.models import Client, Realm, \
+    UserActivity, UserActivityInterval, UserProfile
 
 @zulip_login_required
 def stats(request):

zilencer/management/commands/add_mock_conversation.py

@@ -1,14 +1,15 @@
 # -*- coding: utf-8 -*-
 
-from django.core.management.base import BaseCommand
-from zerver.lib.actions import create_stream_if_needed, \
-    internal_prep_stream_message, do_create_user, do_send_messages, \
-    do_add_reaction_legacy, bulk_add_subscriptions, do_change_avatar_fields
-from zerver.lib.upload import upload_avatar_image
-from zerver.models import get_realm, UserProfile, Message
-
 from typing import Any, Dict, List
 
+from django.core.management.base import BaseCommand
+
+from zerver.lib.actions import bulk_add_subscriptions, \
+    create_stream_if_needed, do_add_reaction_legacy, do_change_avatar_fields, \
+    do_create_user, do_send_messages, internal_prep_stream_message
+from zerver.lib.upload import upload_avatar_image
+from zerver.models import Message, UserProfile, get_realm
+
 class Command(BaseCommand):
     help = """Add a mock conversation to the development environment.
 

zilencer/management/commands/add_new_realm.py

@@ -1,11 +1,11 @@
-from zerver.lib.actions import do_create_user, do_create_realm
-from zerver.lib.management import ZulipBaseCommand
-from zerver.lib.onboarding import setup_initial_streams, \
-    setup_initial_private_stream, send_initial_realm_messages
-from zerver.models import Realm, UserProfile
-
 from typing import Any
 
+from zerver.lib.actions import do_create_realm, do_create_user
+from zerver.lib.management import ZulipBaseCommand
+from zerver.lib.onboarding import send_initial_realm_messages, \
+    setup_initial_private_stream, setup_initial_streams
+from zerver.models import Realm, UserProfile
+
 class Command(ZulipBaseCommand):
     help = """Add a new realm and initial user for manual testing of the onboarding process."""
 

zilencer/management/commands/add_new_user.py

@@ -1,10 +1,11 @@
+from typing import Any
+
 from django.core.management.base import CommandParser
+
 from zerver.lib.actions import do_create_user
 from zerver.lib.management import ZulipBaseCommand
 from zerver.models import Realm, UserProfile
 
-from typing import Any
-
 class Command(ZulipBaseCommand):
     help = """Add a new user for manual testing of the onboarding process.
 If realm is unspecified, will try to use a realm created by add_new_realm,

zilencer/management/commands/compare_messages.py

@@ -1,10 +1,8 @@
 from typing import Any
 
 import ijson
-
 from django.core.management.base import BaseCommand, CommandParser
 
-
 class Command(BaseCommand):
     help = """
     Render messages to a file.

zilencer/management/commands/mark_all_messages_unread.py

@@ -2,10 +2,11 @@
 from typing import Any
 
 from django.conf import settings
+from django.core.cache import cache
 from django.core.management.base import BaseCommand
 from django.db.models import F
-from django.core.cache import cache
-from zerver.models import UserProfile, UserMessage
+
+from zerver.models import UserMessage, UserProfile
 
 class Command(BaseCommand):
     help = """Script to mark all messages as unread."""

zilencer/management/commands/migrate_stream_notifications.py

@@ -2,6 +2,7 @@
 from typing import Any
 
 from django.core.management.base import BaseCommand
+
 from zerver.models import Subscription
 
 class Command(BaseCommand):

zilencer/management/commands/populate_db.py

@@ -1,27 +1,26 @@
-from django.core.management.base import BaseCommand, CommandParser
-from django.utils.timezone import now as timezone_now
-from django.db.models import F, Max
+import itertools
+import os
+import random
+from typing import Any, Callable, Dict, Iterable, List, \
+    Mapping, Optional, Sequence, Set, Text, Tuple
 
-from zerver.models import Message, UserProfile, Stream, Recipient, UserPresence, \
-    Subscription, RealmAuditLog, get_huddle, Realm, RealmEmoji, UserMessage, \
-    RealmDomain, clear_database, get_client, get_user_profile_by_id, \
-    email_to_username, Service, get_user, DefaultStream, get_stream, \
-    get_realm, get_system_bot
-
-from zerver.lib.actions import STREAM_ASSIGNMENT_COLORS, do_send_messages, \
-    do_change_is_admin
+import ujson
 from django.conf import settings
+from django.core.management.base import BaseCommand, CommandParser
+from django.db.models import F, Max
+from django.utils.timezone import now as timezone_now
+
+from zerver.lib.actions import STREAM_ASSIGNMENT_COLORS, \
+    do_change_is_admin, do_send_messages
 from zerver.lib.bulk_create import bulk_create_streams, bulk_create_users
 from zerver.lib.generate_test_data import create_test_data
 from zerver.lib.upload import upload_backend
 from zerver.lib.user_groups import create_user_group
-
-
-import random
-import os
-import ujson
-import itertools
-from typing import Any, Callable, Dict, List, Iterable, Mapping, Optional, Sequence, Set, Tuple, Text
+from zerver.models import DefaultStream, Message, Realm, RealmAuditLog, \
+    RealmDomain, RealmEmoji, Recipient, Service, Stream, Subscription, \
+    UserMessage, UserPresence, UserProfile, clear_database, \
+    email_to_username, get_client, get_huddle, get_realm, get_stream, \
+    get_system_bot, get_user, get_user_profile_by_id
 
 settings.TORNADO_SERVER = None
 # Disable using memcached caches to avoid 'unsupported pickle

zilencer/management/commands/print_initial_password.py

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

zilencer/management/commands/profile_request.py

@@ -1,13 +1,14 @@
-from typing import Any, Dict
-
-from django.http import HttpRequest, HttpResponse
-from django.core.management.base import CommandParser
-from zerver.lib.management import ZulipBaseCommand
-from zerver.models import UserMessage, UserProfile
-from zerver.views.messages import get_messages_backend
 import cProfile
 import logging
+from typing import Any, Dict
+
+from django.core.management.base import CommandParser
+from django.http import HttpRequest, HttpResponse
+
+from zerver.lib.management import ZulipBaseCommand
 from zerver.middleware import LogRequests
+from zerver.models import UserMessage, UserProfile
+from zerver.views.messages import get_messages_backend
 
 request_logger = LogRequests()
 

zilencer/management/commands/render_messages.py

@@ -1,14 +1,13 @@
 import os
-import ujson
 from typing import Any, Iterator
 
+import ujson
 from django.core.management.base import BaseCommand, CommandParser
 from django.db.models import QuerySet
 
 from zerver.lib.message import render_markdown
 from zerver.models import Message
 
-
 def queryset_iterator(queryset, chunksize=5000):
     # type: (QuerySet, int) -> Iterator[Any]
     queryset = queryset.order_by('id')

zilencer/management/commands/sync_api_key.py

@@ -1,9 +1,10 @@
+import os
+from configparser import ConfigParser
 from typing import Any
 
 from django.core.management.base import BaseCommand
-from zerver.models import get_realm, get_user, UserProfile
-import os
-from configparser import ConfigParser
+
+from zerver.models import UserProfile, get_realm, get_user
 
 class Command(BaseCommand):
     help = """Sync your API key from ~/.zuliprc into your development instance"""

zilencer/migrations/0001_initial.py

@@ -1,6 +1,5 @@
 # -*- coding: utf-8 -*-
-from django.db import models, migrations
-
+from django.db import migrations, models
 
 class Migration(migrations.Migration):
 

zilencer/migrations/0002_remote_zulip_server.py

@@ -1,7 +1,6 @@
 # -*- coding: utf-8 -*-
-from django.db import migrations, models
 import django.db.models.deletion
-
+from django.db import migrations, models
 
 class Migration(migrations.Migration):
 

zilencer/migrations/0003_add_default_for_remotezulipserver_last_updated_field.py

@@ -2,7 +2,6 @@
 # Generated by Django 1.10.5 on 2017-05-16 00:03
 from django.db import migrations, models
 
-
 class Migration(migrations.Migration):
 
     dependencies = [

zilencer/migrations/0004_remove_deployment_model.py

@@ -2,7 +2,6 @@
 # Generated by Django 1.11.5 on 2017-10-12 06:27
 from django.db import migrations
 
-
 class Migration(migrations.Migration):
 
     dependencies = [

zilencer/migrations/0005_remotepushdevicetoken_fix_uniqueness.py

@@ -4,7 +4,6 @@ from __future__ import unicode_literals
 
 from django.db import migrations, models
 
-
 class Migration(migrations.Migration):
 
     dependencies = [

zilencer/models.py

@@ -1,8 +1,9 @@
-from django.db import models
+import datetime
 from typing import Text
 
+from django.db import models
+
 import zerver.models
-import datetime
 
 def get_remote_server_by_uuid(uuid):
     # type: (Text) -> RemoteZulipServer

zilencer/urls.py

@@ -1,9 +1,9 @@
-from django.conf.urls import url, include
 from typing import Any
 
-from zerver.lib.rest import rest_dispatch
+from django.conf.urls import include, url
 
 import zilencer.views
+from zerver.lib.rest import rest_dispatch
 
 i18n_urlpatterns = []  # type: Any
 

zilencer/views.py

@@ -1,20 +1,19 @@
 
-from django.utils.translation import ugettext as _
+from typing import Any, Dict, Optional, Text, Union, cast
+
+from django.http import HttpRequest, HttpResponse
 from django.utils import timezone
-from django.http import HttpResponse, HttpRequest
-
-from zilencer.models import RemotePushDeviceToken, RemoteZulipServer
+from django.utils.translation import ugettext as _
 
 from zerver.lib.exceptions import JsonableError
 from zerver.lib.push_notifications import send_android_push_notification, \
     send_apple_push_notification
+from zerver.lib.request import REQ, has_request_variables
 from zerver.lib.response import json_error, json_success
-from zerver.lib.request import has_request_variables, REQ
 from zerver.lib.validator import check_int
 from zerver.models import UserProfile
 from zerver.views.push_notifications import validate_token
-
-from typing import Any, Dict, Optional, Union, Text, cast
+from zilencer.models import RemotePushDeviceToken, RemoteZulipServer
 
 def validate_entity(entity):
     # type: (Union[UserProfile, RemoteZulipServer]) -> None