mercurial/cext/revlog.c

--- a/mercurial/cext/revlog.c	Sun May 20 23:05:18 2018 -0400
+++ b/mercurial/cext/revlog.c	Wed Jun 13 10:37:39 2018 -0400
@@ -319,10 +319,8 @@
 		PyMem_Free(self->offsets);
 		self->offsets = NULL;
 	}
-	if (self->nt) {
-		free(self->nt);
-		self->nt = NULL;
-	}
+	free(self->nt);
+	self->nt = NULL;
 	Py_CLEAR(self->headrevs);
 }