Removed dict comprehension syntax for Python 2.6 compatibility

Author: yred

pandas/tests/test_format.py

@@ -2198,11 +2198,11 @@ def test_to_latex_multiindex(self):
         self.assertEqual(result, expected)
 
         df = DataFrame.from_dict({
-            ('c1', 0): pd.Series({x: x for x in range(4)}),
-            ('c1', 1): pd.Series({x: x+4 for x in range(4)}),
-            ('c2', 0): pd.Series({x: x for x in range(4)}),
-            ('c2', 1): pd.Series({x: x+4 for x in range(4)}),
-            ('c3', 0): pd.Series({x: x for x in range(4)}),
+            ('c1', 0): pd.Series(dict((x, x) for x in range(4))),
+            ('c1', 1): pd.Series(dict((x, x + 4) for x in range(4))),
+            ('c2', 0): pd.Series(dict((x, x) for x in range(4))),
+            ('c2', 1): pd.Series(dict((x, x + 4) for x in range(4))),
+            ('c3', 0): pd.Series(dict((x, x) for x in range(4))),
         }).T
         result = df.to_latex()
         expected = r"""\begin{tabular}{llrrrr}