diff --git a/MAVProxy/modules/mavproxy_chat/chat_openai.py b/MAVProxy/modules/mavproxy_chat/chat_openai.py
index ab0c4e3e20..50e5d02c45 100644
--- a/MAVProxy/modules/mavproxy_chat/chat_openai.py
+++ b/MAVProxy/modules/mavproxy_chat/chat_openai.py
@@ -83,12 +83,12 @@ def check_connection(self):
             if self.assistant is None:
                 print("chat: failed to connect to OpenAI assistant")
                 return False
-       
+
         # To initialize existing thread id
         assistant_thread_id_existing = None
 
         # Check for existing thread
-        if assistant_thread_id_existing is not None : 
+        if assistant_thread_id_existing is not None :
             self.assistant_thread = self.client.beta.threads.retrieve(assistant_thread_id_existing)
         # create new thread
         if self.assistant_thread is None:
@@ -105,23 +105,23 @@ def set_api_key(self, api_key_str):
         self.assistant = None
         self.assistant_thread = None
 
-    # get the old thread and messages 
+    # get the old thread and messages
     def get_old_msg(self):
         with self.send_lock:
 
             # check connection
             if not self.check_connection():
                 return "chat: failed to connect to OpenAI"
-            
+
             # retrieve messages on the thread
             reply = ""
             reply_messages = self.client.beta.threads.messages.list(self.assistant_thread.id,
                                                                     order="asc",
-                                                                    limit = 20)
-                                                                    
+                                                                    limit=20)
+
             if reply_messages is None:
                 return "chat: failed to retrieve messages"
-            
+
             need_newline = False
             for message in reply_messages.data:
                 reply = reply + message.content[0].text.value
diff --git a/MAVProxy/modules/mavproxy_chat/chat_window.py b/MAVProxy/modules/mavproxy_chat/chat_window.py
index 77ef865f8c..8a9c87058e 100644
--- a/MAVProxy/modules/mavproxy_chat/chat_window.py
+++ b/MAVProxy/modules/mavproxy_chat/chat_window.py
@@ -106,11 +106,11 @@ def apikey_set_button_click(self, event):
         self.chat_openai.set_api_key(self.apikey_text_input.GetValue())
         self.chat_voice_to_text.set_api_key(self.apikey_text_input.GetValue())
         self.apikey_frame.Hide()
-        
-        #initially place all old messages
+
+        # initially place all old messages
         orig_text_attr = self.text_reply.GetDefaultStyle()
         old_msgs = self.chat_openai.get_old_msg()
-        if old_msgs : 
+        if old_msgs :
             wx.CallAfter(self.text_reply.SetDefaultStyle, orig_text_attr)
             wx.CallAfter(self.text_reply.AppendText, old_msgs + "\n\n")