Use unicode
diff --git a/Python/future.c b/Python/future.c
index 2092f58..dca1d83 100644
--- a/Python/future.c
+++ b/Python/future.c
@@ -20,7 +20,7 @@
 	names = s->v.ImportFrom.names;
 	for (i = 0; i < asdl_seq_LEN(names); i++) {
                 alias_ty name = (alias_ty)asdl_seq_GET(names, i);
-		const char *feature = PyString_AsString(name->name);
+		const char *feature = PyUnicode_AsString(name->name);
 		if (!feature)
 			return 0;
 		if (strcmp(feature, FUTURE_NESTED_SCOPES) == 0) {