Remove extra newline

AkM-2018 · AkM-2018 · commit 4363ce54ad76 · 2021-05-03T11:38:08.000+05:30
diff --git a/lib/matplotlib/tri/tricontour.py b/lib/matplotlib/tri/tricontour.py
@@ -268,7 +268,6 @@ def _contour_args(self, args, kwargs):
     on the backend, the *antialiased* flag and value of *alpha*.""")
 
 
-
 @docstring.Substitution(func='tricontour', type='lines')
 @docstring.dedent_interpd
 def tricontour(ax, *args, **kwargs):
