Always copy colormaps returned by Colormap

lukelbd · lukelbd · commit 7a3c3f648f6d · 2021-09-07T23:09:20.000-06:00
diff --git a/proplot/constructor.py b/proplot/constructor.py
@@ -670,10 +670,8 @@ def _pop_modification(key):
     # Merge the resulting colormaps
     if len(cmaps) > 1:  # more than one map and modify arbitrary properties
         cmap = cmaps[0].append(*cmaps[1:], **kwargs)
-    elif kwargs:  # modify arbitrary properties
-        cmap = cmaps[0].copy(**kwargs)
     else:
-        cmap = cmaps[0]
+        cmap = cmaps[0].copy(**kwargs)
 
     # Modify the colormap
     if discrete and isinstance(cmap, pcolors.ContinuousColormap):  # noqa: E501
