--- a/tests/test-convert-bzr-treeroot.t	Wed Apr 21 10:58:21 2021 +0200
+++ b/tests/test-convert-bzr-treeroot.t	Mon Apr 26 22:59:56 2021 +0200
@@ -3,11 +3,12 @@
   $ . "$TESTDIR/bzr-definitions"
   $ cat > treeset.py <<EOF
   > import sys
-  > from bzrlib import workingtree
+  > from breezy import workingtree
+  > import breezy.bzr.bzrdir
   > wt = workingtree.WorkingTree.open('.')
   > 
   > message, rootid = sys.argv[1:]
-  > wt.set_root_id('tree_root-%s' % rootid)
+  > wt.set_root_id(b'tree_root-%s' % rootid.encode())
   > wt.commit(message)
   > EOF
 
@@ -15,11 +16,11 @@
 
   $ mkdir test-change-treeroot-id
   $ cd test-change-treeroot-id
-  $ bzr init -q source
+  $ brz init -q source
   $ cd source
   $ echo content > file
-  $ bzr add -q file
-  $ bzr commit -q -m 'Initial add'
+  $ brz add -q file
+  $ brz commit -q -m 'Initial add'
   $ "$PYTHON" ../../treeset.py 'Changed root' new
   $ cd ..
   $ hg convert source source-hg