[mq]: ell_curve_constructor

sagemath · Oct 14, 2008 · 87221e9 · 87221e9
1 parent 0d60eaa
commit 87221e9
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/sage/schemes/elliptic_curves/constructor.py b/src/sage/schemes/elliptic_curves/constructor.py
@@ -123,7 +123,7 @@ def EllipticCurve(x, y=None):
     if isinstance(x, str):
         return ell_rational_field.EllipticCurve_rational_field(x)
 
-    if rings.is_RingElement(x):
+    if rings.is_RingElement(x) and y is None:
         # Fixed for all characteristics and cases by John Cremona
         j=x
         F=j.parent().fraction_field()