Check if marker symbol is hashable

has2k1 · has2k1 · commit c8b4dfbebc55 · 2025-12-23T15:35:59.000+03:00
This is a better expression of intent for a change introduced in commit
#2e5f5ff.
diff --git a/lib/matplotlib/markers.py b/lib/matplotlib/markers.py
@@ -129,7 +129,7 @@
 """
 import copy
 
-from collections.abc import Sized
+from collections.abc import Hashable, Sized
 
 import numpy as np
 
@@ -308,7 +308,7 @@ def _set_marker(self, marker):
         """
         if isinstance(marker, str) and cbook.is_math_text(marker):
             self._marker_function = self._set_mathtext_path
-        elif isinstance(marker, (int, str, np.integer)) and marker in self.markers:
+        elif isinstance(marker, Hashable) and marker in self.markers:
             self._marker_function = getattr(self, '_set_' + self.markers[marker])
         elif (isinstance(marker, np.ndarray) and marker.ndim == 2 and
                 marker.shape[1] == 2):
