reformat code with black

api/core.py

@@ -3,7 +3,7 @@ from api.extensions import db, esales
 from api.validators import ValidationError
 
 
-def create_app(config_name='config'):
+def create_app(config_name="config"):
     app = Flask(__name__)
     app.config.from_object(config_name)
 
@@ -14,18 +14,20 @@ def create_app(config_name='config'):
     @app.errorhandler(404)
     def on_404(error):
         response = jsonify(
-            {'status': 404, 'message': 'The requested resource was not found'})
+            {"status": 404, "message": "The requested resource was not found"}
+        )
         response.status_code = 404
         return response
 
     @app.errorhandler(ValidationError)
     def on_validation_error(error):
-        response = jsonify({'status': 400, 'message': error.message})
+        response = jsonify({"status": 400, "message": error.message})
         response.status_code = 400
         return response
 
     # register resources
     from api.resources import server, designers, categories, prices
+
     app.register_blueprint(server.mod)
     app.register_blueprint(designers.mod)
     app.register_blueprint(categories.mod)