Remove Flask-Script manager from application.py

With built in Flask CLI this is no longer needed.

application.py

@@ -1,21 +1,9 @@
-#!/usr/bin/env python
-
-from __future__ import print_function
-
 import os
 
-from dmutils import init_manager
-from flask_migrate import Migrate, MigrateCommand
+from flask_migrate import Migrate
 
 from app import create_app, db
 
 
-application = create_app(os.getenv('DM_ENVIRONMENT') or 'development')
-manager = init_manager(application, 5000, ['./json_schemas'])
-
+application = create_app(os.getenv("DM_ENVIRONMENT") or "development")
 migrate = Migrate(application, db)
-manager.add_command('db', MigrateCommand)
-
-
-if __name__ == '__main__':
-    manager.run()

tests/conftest.py

@@ -8,8 +8,7 @@
 import pytest
 from alembic.command import upgrade
 from alembic.config import Config
-from flask_migrate import Migrate, MigrateCommand
-from flask_script import Manager
+from flask_migrate import Migrate
 from sqlalchemy import inspect
 
 from app import create_app
@@ -26,7 +25,6 @@ def db_migration(request):
     app_env_var_mock.start()
     app = create_app('test')
     Migrate(app, db)
-    Manager(db, MigrateCommand)
     ALEMBIC_CONFIG = os.path.join(os.path.dirname(__file__), '../migrations/alembic.ini')
     config = Config(ALEMBIC_CONFIG)
     config.set_main_option("script_location", "migrations")