add blank line between bivariate classes

patniharshit · patniharshit · commit 575a244eca6f · 2017-08-27T15:00:04.000+05:30
diff --git a/lib/matplotlib/colors.py b/lib/matplotlib/colors.py
@@ -1375,6 +1375,7 @@ def __call__(self, value, clip=None):
     def inverse(self, value):
         return value
 
+
 class BivariateNorm:
     """
     Normalize a list of two values corresponding to two 1D normalizers
