diff --git a/branca/colormap.py b/branca/colormap.py
index d354f83..58bc0b2 100644
--- a/branca/colormap.py
+++ b/branca/colormap.py
@@ -377,9 +377,7 @@ def to_step(
                 method = (
                     "quantiles"
                     if quantiles is not None
-                    else method
-                    if method is not None
-                    else "linear"
+                    else method if method is not None else "linear"
                 )
                 if method.lower().startswith("lin"):
                     if n is None: