diff --git a/apps/agentfabric/app.py b/apps/agentfabric/app.py
index ccb7c918..92c3c024 100644
--- a/apps/agentfabric/app.py
+++ b/apps/agentfabric/app.py
@@ -624,7 +624,8 @@ def preview_send_message(chatbot, input, _state, uuid_str, _user_token):
         # skip
         filtered_files = [
             item for item in append_files
-            if not item.lower().endswith(('.jpeg', '.png', '.jpg', '.wav', '.gif', '.mp3'))
+            if not item.lower().endswith(('.jpeg', '.png', '.jpg', '.wav',
+                                          '.gif', '.mp3'))
         ]
 
         use_llm = True if len(user_agent.function_list) else False
diff --git a/apps/agentfabric/appBot.py b/apps/agentfabric/appBot.py
index 2b3d085b..230a6b94 100644
--- a/apps/agentfabric/appBot.py
+++ b/apps/agentfabric/appBot.py
@@ -153,12 +153,16 @@ def send_message(chatbot, input, _state, _user_token):
         # skip
         filtered_files = [
             item for item in append_files
-            if not item.lower().endswith(('.jpeg', '.png', '.jpg', '.wav', '.gif', '.mp3'))
+            if not item.lower().endswith(('.jpeg', '.png', '.jpg', '.wav',
+                                          '.gif', '.mp3'))
         ]
 
         use_llm = True if len(user_agent.function_list) else False
         ref_doc = user_memory.run(
-            query=input.text, url=filtered_files, checked=True, use_llm=use_llm)
+            query=input.text,
+            url=filtered_files,
+            checked=True,
+            use_llm=use_llm)
 
         response = ''
         try:
diff --git a/apps/agentfabric/server.py b/apps/agentfabric/server.py
index b78631bb..c416bc3d 100644
--- a/apps/agentfabric/server.py
+++ b/apps/agentfabric/server.py
@@ -427,7 +427,8 @@ def generate():
             # skip
             filtered_files = [
                 item for item in file_paths
-                if not item.lower().endswith(('.jpeg', '.png', '.jpg', '.wav', '.gif', '.mp3'))
+                if not item.lower().endswith(('.jpeg', '.png', '.jpg', '.wav',
+                                              '.gif', '.mp3'))
             ]
 
             use_llm = True if len(user_agent.function_list) else False