diff --git a/hgext3rd/perftweaks.py b/hgext3rd/perftweaks.py
--- a/hgext3rd/perftweaks.py
+++ b/hgext3rd/perftweaks.py
@@ -21,12 +21,11 @@
     merge,
     phases,
     revlog,
-    scmutil,
     tags,
     util,
 )
 from mercurial.extensions import wrapfunction
-from mercurial.node import bin, nullid, nullrev
+from mercurial.node import bin
 import errno
 import os
 
diff --git a/hgext3rd/progressfile.py b/hgext3rd/progressfile.py
--- a/hgext3rd/progressfile.py
+++ b/hgext3rd/progressfile.py
@@ -119,7 +119,7 @@
         @util.propertycache
         def _progbar(self):
             if self.config('progress', 'statefile'):
-                return  progbarwithfile(self)
+                return progbarwithfile(self)
             else:
                 return super(progressfileui, self)._progbar
     ui.__class__ = progressfileui