diff --git a/tests/test-context.py b/tests/test-context.py
--- a/tests/test-context.py
+++ b/tests/test-context.py
@@ -27,9 +27,9 @@
     out.write(data + end)
     out.flush()
 
-u = uimod.ui.load()
+ui = uimod.ui.load()
 
-repo = hg.repository(u, b'test1', create=1)
+repo = hg.repository(ui, b'test1', create=1)
 os.chdir('test1')
 
 # create 'foo' with fixed time stamp
@@ -172,7 +172,7 @@
 # test manifestlog being changed
 print('== commit with manifestlog invalidated')
 
-repo = hg.repository(u, b'test2', create=1)
+repo = hg.repository(ui, b'test2', create=1)
 os.chdir('test2')
 
 # make some commits