Revert "chore: improve validation and handler of logging timezone with TimezoneName" (#10077)

api/extensions/ext_logging.py

@@ -1,10 +1,8 @@
 import logging
 import os
 import sys
-from datetime import datetime
 from logging.handlers import RotatingFileHandler
 
-import pytz
 from flask import Flask
 
 from configs import dify_config
@@ -32,10 +30,16 @@ def init_app(app: Flask):
         handlers=log_handlers,
         force=True,
     )
-
     log_tz = dify_config.LOG_TZ
     if log_tz:
+        from datetime import datetime
+
+        import pytz
+
+        timezone = pytz.timezone(log_tz)
+
+        def time_converter(seconds):
+            return datetime.utcfromtimestamp(seconds).astimezone(timezone).timetuple()
+
         for handler in logging.root.handlers:
-            handler.formatter.converter = lambda seconds: (
-                datetime.fromtimestamp(seconds, tz=pytz.UTC).astimezone(log_tz).timetuple()
-            )
+            handler.formatter.converter = time_converter