Merge pull request #14080 from meeseeksmachine/auto-backport-of-pr-14069-on-v3.1.x

timhoffm · web-flow · commit b9d3c83a5f49 · 2019-04-29T14:36:23.000+02:00
Backport PR #14069 on branch v3.1.x (Don't try to use the colorbar formatter to format RGBA data.)
diff --git a/lib/matplotlib/image.py b/lib/matplotlib/image.py
@@ -933,7 +933,7 @@ def get_cursor_data(self, event):
             return arr[i, j]
 
     def format_cursor_data(self, data):
-        if self.colorbar:
+        if np.ndim(data) == 0 and self.colorbar:
             return (
                 "["
                 + cbook.strip_math(
