FIX: take into accound two-tuple limits

jklymak · jklymak · commit 8139aa938013 · 2018-09-26T21:13:35.000-07:00
diff --git a/lib/matplotlib/projections/polar.py b/lib/matplotlib/projections/polar.py
@@ -1256,6 +1256,9 @@ def set_ylim(self, bottom=None, top=None, emit=True, auto=False,
                                  'argument and kwarg "ymax"')
             else:
                 top = ymax
+        if top is None and len(bottom) == 2:
+            top = bottom[1]
+            bottom = bottom[0]
         if bottom >= top:
             raise ValueError('polar axes y/r-limits must be increasing; '
                              'i.e. bottom < top')
