diff --git a/lib/matplotlib/path.py b/lib/matplotlib/path.py
index 5f5a0f3de423..e54b2b01ade2 100644
--- a/lib/matplotlib/path.py
+++ b/lib/matplotlib/path.py
@@ -282,9 +282,21 @@ def __deepcopy__(self, memo=None):
readonly, even if the source `Path` is.
"""
# Deepcopying arrays (vertices, codes) strips the writeable=False flag.
- p = copy.deepcopy(super(), memo)
- p._readonly = False
- return p
+ cls = self.__class__
+ new_instance = cls.__new__(cls)
+
+ # Add the new instance to the memo dictionary to handle circular references
+ if memo is None:
+ memo = {}
+ memo[id(self)] = new_instance
+
+ # Deepcopy the attributes explicitly
+ new_instance.vertices = copy.deepcopy(self.vertices, memo)
+ new_instance.codes = copy.deepcopy(self.codes, memo)
+ new_instance._readonly = False
+
+ return new_instance
+
deepcopy = __deepcopy__
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