Ticket #4036: trac_4036-fixes.patch

sage/interfaces/expect.py

@@ -970 +970 @@
             #interface by first going through Sage.
             try:
                 return self(x._sage_())
-            except NotImplementedError:
+            except (NotImplementedError, TypeError):
                 pass
+
             
         if isinstance(x, basestring):
             return cls(self, x, name=name)
@@ -1395 +1396 @@
         except (RuntimeError, ExceptionPexpect), msg:    # needed to avoid infinite loops in some rare cases
             #print msg
             pass
-
-    def _interface_(self, G):
-        """
-        We don't want to run any of the generic code for interface conversion.
-
-        EXAMPLES:
-            sage: a = gp(1/2)
-            sage: a._interface_(gp)
-            Traceback (most recent call last):
-            ...
-            NotImplementedError
-        """
-        raise NotImplementedError
 
     def _sage_(self):
         """