Compat

9 years ago · 71025671aa
2 changed files with 2 additions and 2 deletions
--- a/pygal/graph/dual.py
+++ b/pygal/graph/dual.py
@ -56,7 +56,7 @@ class Dual(Graph):
        # In case of dual, x labels must adapters and so majors too
        self.x_labels_major = self.x_labels_major and list(
            map(self._x_adapt, self.x_labels_major))
-        super()._compute_x_labels_major()
+        super(Dual, self)._compute_x_labels_major()

    def _get_x_label(self, i):
        """Convenience function to get the x_label of a value index"""