replaced @Appender() with @doc()

Author: smartvinnetou

pandas/core/resample.py

@@ -17,7 +17,7 @@
 
 import pandas.core.algorithms as algos
 from pandas.core.base import DataError, ShallowMixin
-from pandas.core.generic import _shared_docs
+from pandas.core.generic import _shared_docs, NDFrame
 from pandas.core.groupby.base import GroupByMixin
 from pandas.core.groupby.generic import SeriesGroupBy
 from pandas.core.groupby.groupby import GroupBy, _GroupBy, _pipe_template, get_groupby
@@ -775,7 +775,7 @@ def fillna(self, method, limit=None):
         """
         return self._upsample(method, limit=limit)
 
-    @Appender(_shared_docs["interpolate"] % _shared_docs_kwargs)
+    @doc(NDFrame.interpolate, **_shared_docs_kwargs)
     def interpolate(
         self,
         method="linear",