update set_drawstyle

ImportanceOfBeingErnest · web-flow · commit e7a2e529a5e5 · 2018-01-28T22:17:17.000+01:00
Invalidate path on set_drawstyle to recache path, such that the new drawstyle is actually applied. Fixes #10338
diff --git a/lib/matplotlib/lines.py b/lib/matplotlib/lines.py
@@ -1002,6 +1002,8 @@ def set_drawstyle(self, drawstyle):
             raise ValueError('Unrecognized drawstyle {!r}'.format(drawstyle))
         if self._drawstyle != drawstyle:
             self.stale = True
+            # invalidate to trigger a recache of the path
+            self._invalidx = True
         self._drawstyle = drawstyle
 
     def set_linewidth(self, w):
