🚨 fix some linter warnings

alembic/env.py

@@ -7,6 +7,8 @@ from alembic import context
 import os
 import sys
 from dotenv import load_dotenv
+from app.models import models
+
 BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 load_dotenv(os.path.join(BASE_DIR, ".env"))
 sys.path.append(BASE_DIR)
@@ -27,9 +29,8 @@ if config.config_file_name is not None:
 # for 'autogenerate' support
 # from myapp import mymodel
 # target_metadata = mymodel.Base.metadata
-#target_metadata = None
+# target_metadata = None
 
-from app.models import models
 target_metadata = models.Base.metadata
 
 # other values from the config, defined by the needs of env.py,