Add deprecation for Axes.set_thetagrids(frac).

QuLogic · QuLogic · commit f7e50dec2721 · 2017-11-16T01:27:14.000-05:00
diff --git a/lib/matplotlib/projections/polar.py b/lib/matplotlib/projections/polar.py
@@ -1173,6 +1173,11 @@ def set_thetagrids(self, angles, labels=None, frac=None, fmt=None,
 
         ACCEPTS: sequence of floats
         """
+        if frac is not None:
+            cbook.warn_deprecated('2.1', name='frac', obj_type='parameter',
+                                  alternative='tick padding via '
+                                              'Axes.tick_params')
+
         # Make sure we take into account unitized data
         angles = self.convert_yunits(angles)
         angles = np.asarray(angles, float)
