Update lib/matplotlib/colors.py

jklymak · timhoffm · jklymak · commit fe5fdf8f1058 · 2020-02-15T17:01:58.000-08:00
Co-Authored-By: Tim Hoffmann &lt;2836374+timhoffm@users.noreply.github.com&gt;
diff --git a/lib/matplotlib/colors.py b/lib/matplotlib/colors.py
@@ -1203,7 +1203,7 @@ class SymLogNorm(Normalize):
     (-*linthresh*, *linthresh*).
     """
     def __init__(self, linthresh, linscale=1.0, vmin=None, vmax=None,
-                 clip=False, base=None):
+                 clip=False, *, base=None):
         """
         Parameters
         ----------
