Update app.py

app.py

@@ -335,10 +335,13 @@ def chat(question, manual, history, liked):
     
     partial_response = ""
     for chunk in final_response:
-        if chunk.choices[0].delta.content is not None:
-            partial_response += chunk.choices[0].delta.content
-            yield partial_response, history + [(question, partial_response)]
-    
+        try:
+            if chunk.choices[0].delta.content is not None:
+                partial_response += chunk.choices[0].delta.content
+                yield partial_response, history + [(question, partial_response)]
+        except:
+            pass
+            
     response = partial_response
     conv.append({"role": "user", "content": prompt})
     conv.append({"role": "assistant", "content": response})