add deprecation notes

pandas/core/arrays/categorical.py

@@ -1497,6 +1497,8 @@ def get_values(self):
         """
         Return the values.
 
+        .. deprecated:: 0.25.0
+
         For internal compatibility with pandas formatting.
 
         Returns

pandas/core/arrays/sparse.py

@@ -1472,9 +1472,16 @@ def to_dense(self):
     # get_values = to_dense
 
     def get_values(self):
+        """
+        Convert SparseArray to a NumPy array.
+
+        .. deprecated:: 0.25.0
+            Use `to_dense` instead.
+
+        """
         warnings.warn(
             "The 'get_values' method is deprecated and will be removed in a "
-            "future version", stacklevel=2)
+            "future version. Use the 'to_dense' method instead.", stacklevel=2)
         return self._interal_get_values()
 
     _internal_get_values = to_dense

pandas/core/generic.py

@@ -5328,6 +5328,8 @@ def get_values(self):
         """
         Return an ndarray after converting sparse values to dense.
 
+        .. deprecated:: 0.25.0
+
         This is the same as ``.values`` for non-sparse data. For sparse
         data contained in a `SparseArray`, the data are first
         converted to a dense representation.

pandas/core/indexes/base.py

@@ -3772,6 +3772,8 @@ def get_values(self):
         """
         Return `Index` data as an `numpy.ndarray`.
 
+        .. deprecated:: 0.25.0
+
         Returns
         -------
         numpy.ndarray

pandas/core/indexes/category.py

@@ -356,7 +356,12 @@ def _wrap_setop_result(self, other, result):
         return self._shallow_copy(result, name=name)
 
     def get_values(self):
-        """ return the underlying data as an ndarray """
+        """
+        Return the underlying data as an ndarray
+
+        .. deprecated:: 0.25.0
+
+        """
         warnings.warn(
             "The 'get_values' method is deprecated and will be removed in a "
             "future version", stacklevel=2)

pandas/core/series.py

@@ -513,8 +513,10 @@ def get_values(self):
         numpy.ndarray
             Data of the Series.
         """
-        raise Exception("USING GET_VALUES")
-        #warnings.warn("deprecated", FutureWarning, stacklevel=2)
+        warnings.warn(
+            "The 'get_values' method is deprecated and will be removed in a "
+            "future version", stacklevel=2)
+        return self._interal_get_values()
 
     def _internal_get_values(self):
         return self._data.get_values()