1 files changed, 19 insertions, 1 deletions
diff --git a/Lib/zipfile/_path.py b/Lib/zipfile/_path.py
index 67ef07a..aea17b6 100644
--- a/Lib/zipfile/_path.py
+++ b/Lib/zipfile/_path.py
@@ -62,7 +62,25 @@ def _difference(minuend, subtrahend):
     return itertools.filterfalse(set(subtrahend).__contains__, minuend)
 
 
-class CompleteDirs(zipfile.ZipFile):
+class InitializedState:
+    """
+    Mix-in to save the initialization state for pickling.
+    """
+
+    def __init__(self, *args, **kwargs):
+        self.__args = args
+        self.__kwargs = kwargs
+        super().__init__(*args, **kwargs)
+
+    def __getstate__(self):
+        return self.__args, self.__kwargs
+
+    def __setstate__(self, state):
+        args, kwargs = state
+        super().__init__(*args, **kwargs)
+
+
+class CompleteDirs(InitializedState, zipfile.ZipFile):
     """
     A ZipFile subclass that ensures that implied directories
     are always included in the namelist.