Merge pull request #349 from yossisal/hz_show_y_guides

Hz show y guides

pygal/graph/graph.py

@@ -229,7 +229,9 @@ class Graph(PublicApi):
         if not self._y_labels or not self.show_y_labels:
             return
 
-        axis = self.svg.node(self.nodes['plot'], class_="axis y")
+        axis = self.svg.node(self.nodes['plot'], class_="axis y%s" % (
+            ' always_show' if self.show_y_guides else ''
+        ))
 
         if (0 not in [label[1] for label in self._y_labels] and
                 self.show_y_guides):

pygal/graph/horizontal.py

@@ -38,6 +38,8 @@ class HorizontalGraph(Graph):
             self._y_labels_major, self._x_labels_major)
         self._x_2nd_labels, self._y_2nd_labels = (
             self._y_2nd_labels, self._x_2nd_labels)
+        self.show_y_guides, self.show_x_guides = (
+            self.show_x_guides, self.show_y_guides)
 
     def _axes(self):
         """Set the _force_vertical flag when rendering axes"""