flake8 compliant

src/web/app.py

@@ -30,6 +30,7 @@ BasicAuth(app, AUTH_DICT)
 # connect to database
 collection, db, client = connect()
 
+
 # define callbacks
 @app.callback(
     Output("alert-element", "is_open"),
@@ -44,6 +45,7 @@ def show_alert(
     logging.info(f"updated alert message: {msg}")
     return True, msg
 
+
 @app.callback(
     Output("alert-message", "data"),
     Output("vis-com-name", "data"),
@@ -73,7 +75,7 @@ def cycle_visual_communication_data(
         annotation_values
     ]
     # check if next-button clicked
-    if n_clicks  == 0:
+    if n_clicks == 0:
         logging.info("stopping early: next-button has not yet been clicked")
         return response
     # check if visual communication name is set
@@ -102,13 +104,13 @@ def cycle_visual_communication_data(
                 in annotation_values
             ]
             annotations = {
-                key: value 
-                for key, value 
+                key: value
+                for key, value
                 in zip(annotation_keys, annotation_values)
             }
             # instantiate ModelOutputs object
             annotations = ModelOutputs.from_annotations(**annotations)
-            # save data to 
+            # save data to database
             upsert_annotations(
                 collection=collection,
                 vis_com_name=vis_com_name,
@@ -137,7 +139,7 @@ def cycle_visual_communication_data(
             # reset annotations
             annotation_values = [None for elem in annotation_values]
     except NoDocumentFoundException:
-        msg = f"no unannotated data in database"
+        msg = "no unannotated data in database"
         logging.warning(msg)
         response[0] = msg
         return tuple(response)