Update app.py

app.py

@@ -17,7 +17,7 @@ def set_openai_api_key(api_key: str):
     if api_key:
         os.environ["OPENAI_API_KEY"] = api_key
         chain = get_chain(vectorstore)
-        os.environ["OPENAI_API_KEY"] = "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"
+        os.environ["OPENAI_API_KEY"] = ""
         return chain
 
 class ChatWrapper: