FIX: remove colorbar from list of colorbars on axes if colorbar is removed

jklymak · jklymak · commit b49b922f1e79 · 2021-09-02T22:12:32.000+02:00
diff --git a/lib/matplotlib/colorbar.py b/lib/matplotlib/colorbar.py
@@ -995,7 +995,8 @@ def remove(self):
         if hasattr(self.ax, '_colorbar_info'):
             parents = self.ax._colorbar_info['parents']
             for a in parents:
-                a._colorbars.remove(self.ax)
+                if self.ax in a._colorbars:
+                    a._colorbars.remove(self.ax)
 
         self.ax.remove()
 
