Add deprecation messages for unused kwargs in FancyArrowPatch

dstansby · dstansby · commit 7e82f3f23536 · 2018-05-10T15:48:55.000+01:00
diff --git a/lib/matplotlib/patches.py b/lib/matplotlib/patches.py
@@ -4060,6 +4060,20 @@ def __init__(self, posA=None, posB=None,
         Valid kwargs are:
         %(Patch)s
         """
+        if arrow_transmuter is not None:
+            cbook.warn_deprecated(
+                3.0,
+                message=('The "arrow_transmuter" keyword argument is not used,'
+                         ' and will be removed in Matplotlib 3.1'),
+                name='arrow_transmuter',
+                obj_type='keyword argument')
+        if connector is not None:
+            cbook.warn_deprecated(
+                3.0,
+                message=('The "connector" keyword argument is not used,'
+                         ' and will be removed in Matplotlib 3.1'),
+                name='arrow_transmuter',
+                obj_type='keyword argument')
         Patch.__init__(self, **kwargs)
 
         if posA is not None and posB is not None and path is None:
