another fix

sagemath · Feb 15, 2022 · 8d97f9d · 8d97f9d
1 parent ed5f0ca
commit 8d97f9d
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/sage/rings/fraction_field.py b/src/sage/rings/fraction_field.py
@@ -342,7 +342,8 @@ def wrapper(x):
 
         # special treatment for LaurentPolynomialRings
         if (isinstance(S, LaurentPolynomialRing_generic) and
-                self._R.has_coerce_map_from(S.base_ring())):
+                self._R.fraction_field().has_coerce_map_from(S.base_ring())):
+
             def converter(x, y=None):
                 if y is None:
                     return self._element_class(self, *x._fraction_pair())