diff --git a/lapy/plot.py b/lapy/plot.py
index 22d5bc6..84f7e1d 100644
--- a/lapy/plot.py
+++ b/lapy/plot.py
@@ -194,7 +194,6 @@ def _map_z2color(zval, colormap, zmin, zmax):
     rgb : str
         Corresponding color of the zval.
     """
-
     from matplotlib.colors import LinearSegmentedColormap
 
     if zmin > zmax: