--- a/hgext/hgk.py	Thu Mar 03 17:39:20 2022 -0800
+++ b/hgext/hgk.py	Thu Mar 03 18:28:30 2022 -0800
@@ -376,9 +376,7 @@
     """start interactive history viewer"""
     opts = pycompat.byteskwargs(opts)
     os.chdir(repo.root)
-    optstr = b' '.join(
-        [b'--%s %s' % (k, v) for k, v in pycompat.iteritems(opts) if v]
-    )
+    optstr = b' '.join([b'--%s %s' % (k, v) for k, v in opts.items() if v])
     if repo.filtername is None:
         optstr += b'--hidden'