flake8

Author: TomAugspurger

pandas/core/categorical.py

@@ -23,7 +23,7 @@
     is_datetimelike,
     is_categorical,
     is_categorical_dtype,
-    is_integer_dtype, is_bool,
+    is_integer_dtype,
     is_list_like, is_sequence,
     is_scalar)
 from pandas.core.common import is_null_slice
@@ -330,7 +330,8 @@ def __init__(self, values, categories=None, ordered=False, fastpath=False):
 
             # TODO: check for old style usage. These warnings should be removes
             # after 0.18/ in 2016
-            if is_integer_dtype(values) and not is_integer_dtype(dtype.categories):
+            if (is_integer_dtype(values) and
+                    not is_integer_dtype(dtype.categories)):
                 warn("Values and categories have different dtypes. Did you "
                      "mean to use\n'Categorical.from_codes(codes, "
                      "categories)'?", RuntimeWarning, stacklevel=2)