Use proxy instead of ref

Signed-off-by: Sebastiano Mariani <[email protected]>

Author: Phat3

qiling/log.py

@@ -39,7 +39,7 @@ class QlBaseFormatter(logging.Formatter):
 
     def __init__(self, ql, *args, **kwargs):
         super().__init__(*args, **kwargs)
-        self.ql = weakref.ref(ql)
+        self.ql = weakref.proxy(ql)
 
     def get_level_tag(self, level: str) -> str:
         return self.__level_tag[level]