Removed hardcoded OpenAI API key

app.py

@@ -265,8 +265,7 @@ def set_openai_api_key(api_key):
     If no api_key, then None is returned.
     """
     if api_key and api_key.startswith("sk-") and len(api_key) > 50:
-        # os.environ["OPENAI_API_KEY"] = api_key
-        os.environ["OPENAI_API_KEY"] = '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'
+        os.environ["OPENAI_API_KEY"] = api_key
         print("\n\n ++++++++++++++ Setting OpenAI API key ++++++++++++++ \n\n")
         print(str(datetime.datetime.now()) + ": Before OpenAI, OPENAI_API_KEY length: " + str(
             len(os.environ["OPENAI_API_KEY"])))