Merge pull request #7148 from cgohlke/patch-1

TST Fix AttributeError: 'iterator' object has no attribute 'next' on Python 3

Author: jreback

pandas/tests/test_graphics.py

@@ -481,7 +481,7 @@ def test_pie_series(self):
                                autopct='%.2f', fontsize=7)
         pcts = ['{0:.2f}'.format(s * 100) for s in series.values / float(series.sum())]
         iters = [iter(series.index), iter(pcts)]
-        expected_texts = list(it.next() for it in itertools.cycle(iters))
+        expected_texts = list(next(it) for it in itertools.cycle(iters))
         self._check_text_labels(ax.texts, expected_texts)
         for t in ax.texts:
             self.assertEqual(t.get_fontsize(), 7)