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Author: jreback

pandas/tests/frame/test_reshape.py

@@ -629,6 +629,7 @@ def verify(df):
                           names=[None, 'B'])
 
         right = DataFrame(vals, columns=cols, index=idx)
+        import pdb; pdb.set_trace()
         assert_frame_equal(left, right)
 
         # GH4862

pandas/tests/indexes/test_multi.py

@@ -1046,6 +1046,15 @@ def test_contains(self):
         self.assertNotIn(('bar', 'two'), self.index)
         self.assertNotIn(None, self.index)
 
+        # MI with a nan
+        mi = MultiIndex(levels=[['C'],
+                                pd.date_range('2012-01-01', periods=5)],
+                        labels=[[0, 0, 0, 0, 0, 0], [-1, 0, 1, 2, 3, 4]],
+                        names=[None, 'B'])
+        self.assertTrue(('C', pd.Timestamp('2012-01-01')) in mi)
+        for val in mi.values:
+            self.assertTrue(val in mi)
+
     def test_is_all_dates(self):
         self.assertFalse(self.index.is_all_dates)
 

pandas/tools/hashing.py

@@ -137,7 +137,7 @@ def hash_tuples(vals, encoding='utf8', hash_key=None):
         is_tuple = True
     elif not is_list_like(vals):
         raise TypeError("must be convertible to a list-of-tuples")
-
+    import pdb; pdb.set_trace()
     if not isinstance(vals, MultiIndex):
         vals = MultiIndex.from_tuples(vals)