Fix formatting

Author: batterseapower

pandas/util/testing.py

@@ -1736,7 +1736,10 @@ def makeUnicodeIndex(k=10, name=None):
 def makeCategoricalIndex(k=10, n=3, name=None, **kwargs):
     """ make a length k index or n categories """
     x = rands_array(nchars=4, size=n)
-    return CategoricalIndex(Categorical.from_codes(np.arange(k) % n, categories=x), name=name, **kwargs)
+    return CategoricalIndex(
+        Categorical.from_codes(np.arange(k) % n, categories=x),
+        name=name, **kwargs
+    )
 
 
 def makeIntervalIndex(k=10, name=None, **kwargs):