write the app.py and upload data

app.py

@@ -90,7 +90,7 @@ def ask(query, max_attempt_times=3):
             )["choices"][0]["message"]["content"]
         except Exception as e:
             print(e)
-            if "You exceeded your current quota, please check your plan and billing details." in e:
+            if str(e) == "You exceeded your current quota, please check your plan and billing details.":
                 idx = openai.api_keys.index(openai.api_key)
                 idx = (idx + 1) % len(openai.api_keys)
                 openai.api_key = openai.api_keys[idx]