Update app.py

app.py

@@ -14,11 +14,11 @@ def invoke(level, question, file_name, ground_truth, openai_api_key):
         raise gr.Error("OpenAI API Key is required.")
 
     with lock:
-        answer=""
+        answer = ""
 
         try:
-            os.environ["OPENAI_API_KEY"]=openai_api_key
-            answer=get_crew().kickoff(inputs={"topic": question})
+            os.environ["OPENAI_API_KEY"] = openai_api_key
+            answer = get_crew().kickoff(inputs={"topic": question})
         except Exception as e:
             raise gr.Error(e)
         finally: