Per #2830, skip closing of log handlers for METplusConfig objects tha…

…t are created for copying values for process list instances so they are not closed before the end of the run.

metplus/util/config_metplus.py

@@ -462,6 +462,8 @@ def __init__(self, conf=None, run_id=None):
         super().__init__(conf)
         self._cycle = None
         self.run_id = run_id if run_id else str(uuid.uuid4())[0:8]
+        # if run ID is specified, this is a copy of a config
+        self.is_copy = run_id is not None
         self._logger = logging.getLogger(f'metplus.{self.run_id}')
         # config.logger is called in wrappers, so set this name
         # so the code doesn't break
@@ -475,6 +477,9 @@ def __init__(self, conf=None, run_id=None):
 
     def __del__(self):
         """!When object is deleted, close and remove all log handlers"""
+        # do not close log handlers if this is a copied config object
+        if self.is_copy:
+            return
         handlers = self.logger.handlers[:]
         for handler in handlers:
             self.logger.removeHandler(handler)