Fix for plpython functions; return true/false for boolean,

rather than 1/0.  This helps when creating trigger functions that output
SQL.

Guido Goldstein

src/pl/plpython/plpython.c

 /**********************************************************************
  * plpython.c - python as a procedural language for PostgreSQL
  *
- *	$PostgreSQL: pgsql/src/pl/plpython/plpython.c,v 1.90 2006/11/21 21:51:05 tgl Exp $
+ *	$PostgreSQL: pgsql/src/pl/plpython/plpython.c,v 1.91 2007/01/25 04:08:51 momjian Exp $
  *
  *********************************************************************
  */
@@ -1580,8 +1580,8 @@ static PyObject *
 PLyBool_FromString(const char *src)
 {
 	if (src[0] == 't')
-		return PyInt_FromLong(1);
-	return PyInt_FromLong(0);
+		Py_RETURN_TRUE;
+	Py_RETURN_FALSE;
 }
 
 static PyObject *