Update src/napari_matplotlib/scatter.py

Co-authored-by: David Stansby <dstansby@gmail.com>

Author: jo-mueller

src/napari_matplotlib/scatter.py

@@ -337,7 +337,7 @@ def draw(self) -> None:
         if len(data) == 0:
             return
 
-        _, _, _ = self.axes.hist(data, bins=50, edgecolor='white',
+        self.axes.hist(data, bins=50, edgecolor='white',
                                  linewidth=0.3)
 
         # set ax labels