Fix self._min and self._max

12 years ago · 8927525a53
1 changed files with 2 additions and 2 deletions
--- a/pygal/graph/line.py
+++ b/pygal/graph/line.py
@ -117,8 +117,8 @@ class Line(Graph):

        if self.include_x_axis:
        # Y Label
-            self._box.ymin = min(self._min, 0)
-            self._box.ymax = max(self._max, 0)
+            self._box.ymin = min(self._min or 0, 0)
+            self._box.ymax = max(self._max or 0, 0)
        else:
            self._box.ymin = self._min
            self._box.ymax = self._max