python: Remove unused imports.

Signed-off-by: Anders Kaseorg <andersk@mit.edu>

puppet/zulip_ops/files/zulip-ec2-configure-interfaces

@@ -48,8 +48,6 @@ import logging
 import logging.handlers
 import subprocess
 
-import sys
-
 import boto.utils
 import netifaces
 if False:

zerver/apps.py

@@ -1,6 +1,6 @@
 
 import logging
-from typing import Any, Dict
+from typing import Any
 
 from django.apps import AppConfig
 from django.conf import settings

zerver/lib/export.py

@@ -13,7 +13,6 @@ import ujson
 import subprocess
 import tempfile
 import shutil
-import sys
 from scripts.lib.zulip_tools import overwrite_symlink
 from zerver.lib.avatar_hash import user_avatar_path_from_ids
 from analytics.models import RealmCount, UserCount, StreamCount

zerver/lib/transfer.py

@@ -7,7 +7,7 @@ from mimetypes import guess_type
 
 from zerver.models import UserProfile, Attachment, RealmEmoji
 from zerver.lib.avatar_hash import user_avatar_path
-from zerver.lib.upload import read_local_file, S3UploadBackend, upload_image_to_s3
+from zerver.lib.upload import S3UploadBackend, upload_image_to_s3
 from zerver.lib.parallel import run_parallel
 
 s3backend = S3UploadBackend()

zerver/lib/url_preview/preview.py

@@ -1,6 +1,4 @@
 import re
-import logging
-import traceback
 from typing import Any, Optional, Dict
 from typing.re import Match
 import requests

zerver/management/commands/generate_invite_links.py

@@ -7,7 +7,7 @@ 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, \
-    email_allowed_for_realm, DomainNotAllowedForRealmError
+    DomainNotAllowedForRealmError
 
 class Command(ZulipBaseCommand):
     help = "Generate activation links for users and print them to stdout."

zerver/management/commands/transfer_uploads_to_s3.py

@@ -1,7 +1,3 @@
-
-import argparse
-import os
-import tempfile
 from typing import Any
 
 from django.core.management.base import BaseCommand, CommandParser, CommandError

zerver/migrations/0182_set_initial_value_is_private_flag.py

@@ -1,6 +1,5 @@
 # -*- coding: utf-8 -*-
 import sys
-from django.db import migrations
 
 from django.db import migrations
 from django.db.backends.postgresql_psycopg2.schema import DatabaseSchemaEditor

zerver/tests/test_custom_profile_data.py

@@ -8,7 +8,7 @@ from zerver.lib.actions import get_realm, try_add_realm_custom_profile_field, \
 from zerver.lib.test_classes import ZulipTestCase
 from zerver.lib.bugdown import convert as bugdown_convert
 from zerver.models import CustomProfileField, \
-    custom_profile_fields_for_realm, get_realm, CustomProfileFieldValue
+    custom_profile_fields_for_realm, CustomProfileFieldValue
 import ujson
 
 class CustomProfileFieldTest(ZulipTestCase):

zerver/tests/test_push_notifications.py

@@ -8,7 +8,6 @@ from mock import call
 from typing import Any, Dict, List, Optional
 
 import base64
-import gcm
 import os
 import ujson
 import uuid

zerver/tests/test_unread.py

@@ -3,7 +3,6 @@
 from typing import Any, List, Mapping
 
 from django.db import connection
-from django.test import override_settings
 
 from zerver.models import (
     get_realm,

zerver/views/invite.py

@@ -5,11 +5,11 @@ from typing import List, Optional, Set
 from zerver.decorator import require_realm_admin, require_non_guest_human_user
 from zerver.lib.actions import do_invite_users, do_revoke_user_invite, \
     do_revoke_multi_use_invite, do_resend_user_invite_email, \
-    get_default_subs, do_get_user_invites, do_create_multiuse_invite_link
+    do_get_user_invites, do_create_multiuse_invite_link
 from zerver.lib.request import REQ, has_request_variables, JsonableError
-from zerver.lib.response import json_success, json_error, json_response
+from zerver.lib.response import json_success, json_error
 from zerver.lib.streams import access_stream_by_id
-from zerver.lib.validator import check_string, check_list, check_bool, check_int
+from zerver.lib.validator import check_list, check_int
 from zerver.models import PreregistrationUser, Stream, UserProfile, MultiuseInvite
 
 import re

zerver/views/realm_logo.py

@@ -2,10 +2,8 @@ from django.conf import settings
 from django.shortcuts import redirect
 from django.utils.translation import ugettext as _
 from django.http import HttpResponse, HttpRequest
-from typing import Optional, Callable, Any
 
-from zerver.lib.validator import check_string, check_int, check_list, check_dict, \
-    check_bool, check_variable_type, check_capped_string, check_color
+from zerver.lib.validator import check_bool
 from zerver.lib.request import REQ, has_request_variables
 from zerver.decorator import require_realm_admin
 from zerver.lib.actions import do_change_logo_source