Change float.__str__() and complex.__str__() to return

unicode objects.

Include/pyport.h

@@ -107,6 +107,7 @@ typedef Py_intptr_t	Py_ssize_t;
  *     PyString_FromFormat
  *     PyErr_Format
  *     PyString_FromFormatV
+ *     PyUnicode_FromFormatV
  *
  * Lower-level uses require that you interpolate the correct format modifier
  * yourself (e.g., calling printf, fprintf, sprintf, PyOS_snprintf); for

Objects/complexobject.c

@@ -350,7 +350,7 @@ complex_str(PyComplexObject *v)
 {
 	char buf[100];
 	complex_to_buf(buf, sizeof(buf), v, PREC_STR);
-	return PyString_FromString(buf);
+	return PyUnicode_FromString(buf);
 }
 
 static long

Objects/floatobject.c

@@ -310,7 +310,7 @@ float_str(PyFloatObject *v)
 {
 	char buf[100];
 	format_float(buf, sizeof(buf), v, PREC_STR);
-	return PyString_FromString(buf);
+	return PyUnicode_FromString(buf);
 }
 
 /* Comparison is pretty much a nightmare.  When comparing float to float,