trac 19488 using richcmp via coercion

sagemath · Aug 19, 2016 · 40ede9e · 40ede9e
1 parent 1113e99
commit 40ede9e
Showing 1 changed file with 1 addition and 3 deletions.
diff --git a/src/sage/combinat/crystals/affine.py b/src/sage/combinat/crystals/affine.py
@@ -463,7 +463,7 @@ def phi(self, i):
         else:
             return self.lift().phi(i)
 
-    def __richcmp__(self, other, op):
+    def _richcmp_(self, other, op):
         """
         Elements of this crystal are compared using the comparison in
         the underlying classical crystal.
@@ -515,8 +515,6 @@ def __richcmp__(self, other, op):
             sage: b>=c
             False
         """
-        if parent(self) is not parent(other):
-            return NotImplemented
         return richcmp(self.value, other.value, op)