flipy only affects the drawing of texts, not of images.

anntzer · anntzer · commit d90db9e8e923 · 2021-12-22T02:12:23.000+01:00
This can be checked by grepping for flipy in the codebase.
diff --git a/lib/matplotlib/backend_bases.py b/lib/matplotlib/backend_bases.py
@@ -635,7 +635,7 @@ def flipy(self):
         """
         Return whether y values increase from top to bottom.
 
-        Note that this only affects drawing of texts and images.
+        Note that this only affects drawing of texts.
         """
         return True
 
