Update app.py

app.py

@@ -11,8 +11,7 @@ import pytz
 import json
 import os
 
-openai.api_key = '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'
-os.environ["access_key"] = "key"
+openai.api_key = os.environ["api_key"]
 
 timezone = pytz.timezone('Asia/Shanghai')
 timestamp2string = lambda timestamp: datetime.datetime.fromtimestamp(timestamp).astimezone(timezone).strftime('%Y-%m-%d %H:%M:%S')