migrations: Remove unused imports.

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

analytics/migrations/0002_remove_huddlecount.py

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

analytics/migrations/0006_add_subgroup_to_unique_constraints.py

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

analytics/migrations/0007_remove_interval.py

@@ -1,6 +1,5 @@
 # -*- coding: utf-8 -*-
 # Generated by Django 1.10.4 on 2017-01-16 20:50
-from django.conf import settings
 from django.db import migrations
 
 class Migration(migrations.Migration):

pgroonga/migrations/0001_enable.py

@@ -1,6 +1,5 @@
 # -*- coding: utf-8 -*-
-from django.db import models, migrations
-from django.contrib.postgres import operations
+from django.db import migrations
 from django.conf import settings
 
 

pgroonga/migrations/0002_html_escape_subject.py

@@ -1,6 +1,5 @@
 # -*- coding: utf-8 -*-
-from django.db import models, migrations, connection
-from django.contrib.postgres import operations
+from django.db import migrations, connection
 from django.db.backends.postgresql_psycopg2.schema import DatabaseSchemaEditor
 from django.db.migrations.state import StateApps
 from zerver.lib.migrate import do_batch_update

pgroonga/migrations/0003_v2_api_upgrade.py

@@ -1,6 +1,5 @@
 # -*- coding: utf-8 -*-
-from django.db import models, migrations
-from django.contrib.postgres import operations
+from django.db import migrations
 from django.conf import settings
 
 

zerver/migrations/0036_rename_subdomain_to_string_id.py

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

zerver/migrations/0040_realm_authentication_methods.py

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

zerver/migrations/0060_move_avatars_to_be_uid_based.py

@@ -4,12 +4,8 @@
 import os
 from typing import Text
 
-import requests
-from boto.s3.bucket import Bucket
 from boto.s3.connection import S3Connection
-from boto.s3.key import Key
 from django.conf import settings
-from django.core.files.uploadedfile import SimpleUploadedFile
 from django.db import migrations
 from django.db.backends.postgresql_psycopg2.schema import DatabaseSchemaEditor
 from django.db.migrations.state import StateApps

zerver/migrations/0064_sync_uploads_filesize_with_db.py

@@ -4,9 +4,7 @@
 import os
 from typing import Text
 
-from boto.s3.bucket import Bucket
 from boto.s3.connection import S3Connection
-from boto.s3.key import Key
 from django.conf import settings
 from django.db import migrations
 from django.db.backends.postgresql_psycopg2.schema import DatabaseSchemaEditor

zerver/migrations/0085_fix_bots_with_none_bot_type.py

@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # Generated by Django 1.11.2 on 2017-06-20 10:31
 
-from django.db import migrations, models
+from django.db import migrations
 from django.db.backends.postgresql_psycopg2.schema import DatabaseSchemaEditor
 from django.db.migrations.state import StateApps
 

zerver/migrations/0093_subscription_event_log_backfill.py

@@ -1,7 +1,5 @@
 # -*- coding: utf-8 -*-
 
-from typing import List
-
 from django.db import migrations, models
 from django.db.backends.postgresql_psycopg2.schema import DatabaseSchemaEditor
 from django.db.migrations.state import StateApps

zerver/migrations/0097_reactions_emoji_code.py

@@ -4,7 +4,6 @@
 import os
 
 import ujson
-from django.conf import settings
 from django.db import migrations, models
 from django.db.backends.postgresql_psycopg2.schema import DatabaseSchemaEditor
 from django.db.migrations.state import StateApps

zerver/migrations/0104_fix_unreads.py

@@ -1,7 +1,6 @@
 # -*- coding: utf-8 -*-
 # Generated by Django 1.11.4 on 2017-08-30 00:26
 
-import ujson
 from django.db import migrations
 from django.db.backends.postgresql_psycopg2.schema import DatabaseSchemaEditor
 from django.db.migrations.state import StateApps

zerver/migrations/0109_mark_tutorial_status_finished.py

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

zerver/migrations/0110_stream_is_in_zephyr_realm.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 # Generated by Django 1.11.5 on 2017-10-08 18:37
-from django.db import connection, migrations, models
+from django.db import migrations, models
 from django.db.backends.postgresql_psycopg2.schema import DatabaseSchemaEditor
 from django.db.migrations.state import StateApps
 

zerver/migrations/0126_prereg_remove_users_without_realm.py

@@ -2,7 +2,7 @@
 # Generated by Django 1.11.6 on 2017-11-30 04:58
 from __future__ import unicode_literals
 
-from django.db import migrations, models
+from django.db import migrations
 from django.db.backends.postgresql_psycopg2.schema import DatabaseSchemaEditor
 from django.db.migrations.state import StateApps
 

zerver/migrations/0139_fill_last_message_id_in_subscription_logs.py

@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 
-from django.db import migrations, models
+from django.db import migrations
 from django.db.backends.postgresql_psycopg2.schema import DatabaseSchemaEditor
 from django.db.migrations.state import StateApps
 

zerver/migrations/0145_reactions_realm_emoji_name_to_id.py

@@ -1,10 +1,7 @@
 # -*- coding: utf-8 -*-
 
-import ujson
-
 from collections import defaultdict
-from django.conf import settings
-from django.db import migrations, models
+from django.db import migrations
 from django.db.backends.postgresql_psycopg2.schema import DatabaseSchemaEditor
 from django.db.migrations.state import StateApps
 from typing import Any, Dict

zerver/migrations/0149_realm_emoji_drop_unique_constraint.py

@@ -1,7 +1,6 @@
 # -*- coding: utf-8 -*-
 import os
 import shutil
-import tempfile
 
 from boto.s3.connection import S3Connection
 from django.conf import settings

zerver/migrations/0150_realm_allow_community_topic_editing.py

@@ -3,8 +3,6 @@
 from __future__ import unicode_literals
 
 from django.db import migrations, models
-from django.db.backends.postgresql_psycopg2.schema import DatabaseSchemaEditor
-from django.db.migrations.state import StateApps
 
 
 class Migration(migrations.Migration):

zerver/migrations/0174_userprofile_delivery_email.py

@@ -3,7 +3,6 @@
 from __future__ import unicode_literals
 
 from django.db import migrations, models
-from django.apps import apps
 from django.db.models import F
 
 from django.db.backends.postgresql_psycopg2.schema import DatabaseSchemaEditor

zerver/migrations/0175_change_realm_audit_log_event_type_tense.py

@@ -1,9 +1,7 @@
 # -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 
-from django.db import migrations, models
-from django.apps import apps
-from django.db.models import F
+from django.db import migrations
 
 from django.db.backends.postgresql_psycopg2.schema import DatabaseSchemaEditor
 from django.db.migrations.state import StateApps

zerver/migrations/0177_user_message_add_and_index_is_private_flag.py

@@ -4,7 +4,7 @@ from __future__ import unicode_literals
 
 import sys
 import bitfield.models
-from django.db import migrations, transaction
+from django.db import migrations
 from zerver.lib.migrate import create_index_if_not_exist  # nolint
 from django.db.backends.postgresql_psycopg2.schema import DatabaseSchemaEditor
 from django.db.migrations.state import StateApps

zerver/migrations/0182_set_initial_value_is_private_flag.py

@@ -2,7 +2,7 @@
 import sys
 from django.db import migrations
 
-from django.db import migrations, transaction
+from django.db import migrations
 from django.db.backends.postgresql_psycopg2.schema import DatabaseSchemaEditor
 from django.db.migrations.state import StateApps
 from django.db.models import F

zerver/migrations/0185_realm_plan_type.py

@@ -3,7 +3,6 @@
 from __future__ import unicode_literals
 
 from django.db import migrations, models
-import zerver.models
 
 
 class Migration(migrations.Migration):

zerver/migrations/0206_stream_rendered_description.py

@@ -2,8 +2,6 @@
 from __future__ import unicode_literals
 
 from django.db import migrations, models
-from django.apps import apps
-from django.db.models import F
 
 from django.db.migrations.state import StateApps
 from django.db.backends.postgresql_psycopg2.schema import DatabaseSchemaEditor