TST: dtype issues on windows with test_getitem_dups

Author: jreback

pandas/core/series.py

@@ -484,7 +484,9 @@ def __getitem__(self, key):
                     # we need to box if we have a non-unique index here
                     # otherwise have inline ndarray/lists
                     if not self.index.is_unique:
-                        result = self._constructor(result,index=[key]*len(result)).__finalize__(self)
+                        result = self._constructor(result,
+                                                   index=[key]*len(result)
+                                                   ,dtype=self.dtype).__finalize__(self)
 
             return result
         except InvalidIndexError:

pandas/tests/test_series.py

@@ -950,8 +950,8 @@ def test_getitem_dups_with_missing(self):
         assert_series_equal(result, expected)
 
     def test_getitem_dups(self):
-        s = Series(range(5),index=['A','A','B','C','C'])
-        expected = Series([3,4],index=['C','C'])
+        s = Series(range(5),index=['A','A','B','C','C'],dtype=np.int64)
+        expected = Series([3,4],index=['C','C'],dtype=np.int64)
         result = s['C']
         assert_series_equal(result, expected)