Update app.py

app.py

@@ -14,11 +14,6 @@ warnings.filterwarnings('ignore')
 
 openai.api_key = "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"
 
-with open('env_vars.json', 'r') as f:
-    env_vars = json.load(f)
-openai.api_key = env_vars["OPENAI_API_KEY"]
-
-os.environ["OPENAI_API_KEY"] = openai.api_key
 
 def num_tokens_from_string(string: str, encoding_name: str) -> int:
     """Returns the number of tokens in a text string."""