Revert 8662176 false alarm

Author: changhiskhan

pandas/core/internals.py

@@ -1325,8 +1325,7 @@ def _shape_compat(x):
     names, arrays = zip(*tuples)
 
     # index may box values
-    names = Index(names)
-    items = names[names.isin(ref_items)]
+    items = ref_items[ref_items.isin(names)]
 
     first = arrays[0]
     shape = (len(arrays),) + _shape_compat(first)

pandas/tests/test_frame.py

@@ -2319,13 +2319,6 @@ def test_constructor_column_duplicates(self):
                           [('a',[8]),('a',[5]), ('b', [6])],
                           columns=['b', 'a','a'])
 
-        #additional test for #2079
-        vals = [[1, -1, 2.], [2, -2, 3.]]
-        rs = DataFrame(vals, columns=['A', 'A', 'B'])
-        xp = DataFrame(vals)
-        xp.columns = ['A', 'A', 'B']
-        assert_frame_equal(rs, xp)
-
     def test_new_empty_index(self):
         df1 = DataFrame(randn(0, 3))
         df2 = DataFrame(randn(0, 3))