Update app.py

app.py

@@ -829,7 +829,7 @@ def import_client_data(client_name, zipfile, topical_map, password, project_bool
   for zip in zipfile:
       zip_name = ZipFile(zip.name)
       unpack_list = get_imgs_from_folder([], zip)
-      for item in unpack_list:
+      for img in unpack_list:
           img_dict.update({img:zip})
       img_lists.append(unpack_list)
   img_list = sum(img_lists, [])