Melt docstring.

Author: ResidentMario

pandas/core/frame.py

@@ -106,7 +106,11 @@
     optional_by="""
         by : str or list of str
             Name or list of names which refer to the axis items.""",
-    versionadded_to_excel='')
+    versionadded_to_excel='',
+    versionadded_melt='\n.. versionadded:: 0.20.0\n',
+    other_melt='melt')
+
+import pdb; pdb.set_trace()
 
 _numeric_only_doc = """numeric_only : boolean, default None
     Include only float, int, boolean data. If None, will attempt to use
@@ -4042,6 +4046,8 @@ def unstack(self, level=-1, fill_value=None):
     the row axis, leaving just two non-identifier columns, 'variable' and
     'value'.
 
+    %(versionadded_melt)s
+
     Parameters
     ----------
     frame : DataFrame
@@ -4060,6 +4066,7 @@ def unstack(self, level=-1, fill_value=None):
 
     See also
     --------
+    %(other_melt)s
     pivot_table
     DataFrame.pivot
 
@@ -4123,7 +4130,7 @@ def unstack(self, level=-1, fill_value=None):
 
     """
 
-    @Appender(_shared_docs['melt'], indents=2)
+    @Appender(_shared_docs['melt'] % _shared_doc_kwargs)
     def melt(self, id_vars=None, value_vars=None, var_name=None,
               value_name='value', col_level=None):
         from pandas.core.reshape import melt

pandas/core/reshape.py

@@ -28,6 +28,8 @@
 
 from pandas.core.frame import _shared_docs
 from pandas.util.decorators import Appender
+_shared_docs_kwargs = dict(
+    versionadded_melt="", other_melt='DataFrame.melt')
 
 from pandas.core.index import MultiIndex, _get_na_value
 
@@ -667,7 +669,7 @@ def _convert_level_number(level_num, columns):
     return result
 
 
-@Appender(_shared_docs['melt'], indents=2)
+@Appender(_shared_docs['melt'] % _shared_docs_kwargs)
 def melt(frame, id_vars=None, value_vars=None, var_name=None,
          value_name='value', col_level=None):
     # TODO: what about the existing index?