remove imports

Author: charlesdong1991

pandas/plotting/_matplotlib/boxplot.py

@@ -8,7 +8,6 @@
 from pandas.core.dtypes.missing import remove_na_arraylike
 
 import pandas as pd
-from pandas import Index, IndexSlice, MultiIndex
 
 from pandas.io.formats.printing import pprint_thing
 from pandas.plotting._matplotlib import converter
@@ -322,12 +321,12 @@ def plot_group(keys, values, ax):
  # data simply using columns
  if columns is None:
  columns = data.columns
- elif isinstance(data.columns, MultiIndex):
+ elif isinstance(data.columns, pd.MultiIndex):
 
  # reselect columns with after-groupby multi-index columns
- data = data.loc[:, IndexSlice[:, columns]]
+ data = data.loc[:, pd.IndexSlice[:, columns]]
  columns = data.columns
- elif isinstance(data.columns, Index):
+ elif isinstance(data.columns, pd.Index):
  data = data.loc[:, columns]
  columns = data.columns