Update app.py

app.py

@@ -510,7 +510,7 @@ class SimpleMedicalKnowledge(MedicalKnowledgeBase):
             )
 
             # Extract the answer from the response
-            answer = response.choices[0].message['content'].strip()
+            answer = response.choices[0].message.content.strip() # Corrected access
 
             logger.info("Successfully retrieved data from OpenAI GPT-4.")