Typing fix

volatility3/framework/__init__.py

@@ -5,7 +5,6 @@
 # Check the python version to ensure it's suitable
 import glob
 import sys
-from volatility3.framework import check_python_version as check_python_version
 import zipfile
 import importlib
 import inspect
@@ -58,7 +57,7 @@ class NonInheritable:
         self.default_value = value
         self.cls = cls
 
-    def __get__(self, obj: Any, get_type: Type = Optional[None]) -> Any:
+    def __get__(self, obj: Any, get_type: Optional[Type] = None) -> Any:
         if type is self.cls:
             if hasattr(self.default_value, "__get__"):
                 return self.default_value.__get__(obj, get_type)