revert move of offset prop

pandas/core/indexes/datetimelike.py

@@ -100,30 +100,6 @@ def wrapper(self, other):
 
     # ------------------------------------------------------------------------
 
-    @property
-    def offset(self):
-        """
-        get/set the frequency of the instance
-        """
-        msg = ('{cls}.offset has been deprecated and will be removed '
-               'in a future version; use {cls}.freq instead.'
-               .format(cls=type(self).__name__))
-        warnings.warn(msg, FutureWarning, stacklevel=2)
-        return self.freq
-
-    @offset.setter
-    def offset(self, value):
-        """
-        get/set the frequency of the instance
-        """
-        msg = ('{cls}.offset has been deprecated and will be removed '
-               'in a future version; use {cls}.freq instead.'
-               .format(cls=type(self).__name__))
-        warnings.warn(msg, FutureWarning, stacklevel=2)
-        self.freq = value
-
-    # ------------------------------------------------------------------------
-
     def equals(self, other):
         """
         Determines if two Index objects contain the same elements.

pandas/core/indexes/datetimes.py

@@ -1180,6 +1180,28 @@ def tz(self, value):
     _has_same_tz = ea_passthrough("_has_same_tz")
     __array__ = ea_passthrough("__array__")
 
+    @property
+    def offset(self):
+        """
+        get/set the frequency of the instance
+        """
+        msg = ('{cls}.offset has been deprecated and will be removed '
+               'in a future version; use {cls}.freq instead.'
+               .format(cls=type(self).__name__))
+        warnings.warn(msg, FutureWarning, stacklevel=2)
+        return self.freq
+
+    @offset.setter
+    def offset(self, value):
+        """
+        get/set the frequency of the instance
+        """
+        msg = ('{cls}.offset has been deprecated and will be removed '
+               'in a future version; use {cls}.freq instead.'
+               .format(cls=type(self).__name__))
+        warnings.warn(msg, FutureWarning, stacklevel=2)
+        self.freq = value
+
     def __getitem__(self, key):
         result = self._eadata.__getitem__(key)
         if is_scalar(result):