Update app.py

app.py

@@ -20,8 +20,12 @@ dynamodb = boto3.resource(
 table = dynamodb.Table('ChatbotConversations')
 
 original_allowed_usernames = os.getenv('ALLOWED_NAMES')
+original_allowed_usernames = original_allowed_usernames.strip()
+
+# JSON 파싱을 수행합니다.
 allowed_usernames = json.loads(original_allowed_usernames)
 
+
 def is_valid_username(username):
     return username in allowed_usernames