fix: merge imports

Differential Revision: https://phab.mercurial-scm.org/D10277

hgext/fix.py

@@ -131,8 +131,10 b' import re'
 import subprocess
 
 from mercurial.i18n import _
-from mercurial.node import nullrev
-from mercurial.node import wdirrev
+from mercurial.node import (
+    nullrev,
+    wdirrev,
+)
 
 from mercurial.utils import procutil