Backport PR #19649: Use globals() instead of locals() for adding colormaps as names to cm module

anntzer · meeseeksmachine · commit 9e11b923b4f3 · 2021-03-06T10:35:51.000Z
diff --git a/lib/matplotlib/cm.py b/lib/matplotlib/cm.py
@@ -92,7 +92,7 @@ def _warn_deprecated(self):
 
 
 _cmap_registry = _gen_cmap_registry()
-locals().update(_cmap_registry)
+globals().update(_cmap_registry)
 # This is no longer considered public API
 cmap_d = _DeprecatedCmapDictWrapper(_cmap_registry)
 __builtin_cmaps = tuple(_cmap_registry)
