add blank method for new matplotlib version compatibility

Author: lionel42

pygame_matplotlib/backend_pygame.py

@@ -67,6 +67,23 @@ def set_bounding_rect(self, rect: pygame.Rect):
     def draw(self, renderer):
         return super().draw(renderer)
 
+    def set_alpha(self):
+        pass
+    def set_at(self):
+        pass
+    def set_clip(self):
+        pass
+    def set_colorkey(self):
+        pass
+    def set_masks(self):
+        pass
+    def set_palette(self):
+        pass
+    def set_palette_at(self):
+        pass
+    def set_shifts(self):
+        pass
+
     def get_interactive_artists(self, renderer):
         """Get the interactive artists.
 

test_blitting.py

@@ -23,12 +23,10 @@
 #  a) we have the correctly sized and drawn background to grab
 #  b) we have a cached renderer so that ``ax.draw_artist`` works
 # so we spin the event loop to let the backend process any pending operations
-plt.pause(0.1)
+plt.pause(1)
 
 # get copy of entire figure (everything inside fig.bbox) sans animated artist
-print(fig.bbox)
 bg = fig.canvas.copy_from_bbox(fig.bbox)
-print(bg)
 
 # draw the animated artist, this uses a cached renderer
 ax.draw_artist(ln)