Update app.py

app.py

@@ -27,20 +27,29 @@ def respond(
 
     response = ""
 
-    for message in client.chat_completion(
-        messages,
-        max_tokens=max_tokens,
-        stream=True,
-        temperature=temperature,
-        top_p=top_p,
-    ):
-        try:
-            token = message.choices[0].delta.content
-            response += token
-            yield response
-        except (AttributeError, IndexError, KeyError) as e:
-            print(f"Error processing message: {e}")
-            continue
+    try:
+        for message in client.chat_completion(
+            messages,
+            max_tokens=max_tokens,
+            stream=True,
+            temperature=temperature,
+            top_p=top_p,
+        ):
+            # Check if the message is in the expected format
+            if not message or not isinstance(message, dict):
+                continue
+            
+            # Extract token and handle potential errors in parsing
+            try:
+                token = message.choices[0].delta.content
+                response += token
+                yield response
+            except (AttributeError, IndexError, KeyError) as e:
+                print(f"Error processing message: {e}")
+                continue
+    except Exception as e:
+        print(f"Unexpected error: {e}")
+        yield "An error occurred while generating the response."
 
 """
 For information on how to customize the ChatInterface, peruse the gradio docs: https://www.gradio.app/docs/chatinterface