Bug 1451955 - python3 compatibility fix for reading, r=ttaubert

1 files changed, 1 insertions, 1 deletions

diff --git a/mach b/mach
index 715f1a9e3..e4e1497e6 100755
--- a/mach
+++ b/mach
@@ -103,7 +103,7 @@ class cfAction(argparse.Action):
         files = []
         if os.path.exists(os.path.join(cwd, '.hg')):
             st = subprocess.Popen(['hg', 'status', '-m', '-a'],
-                                  cwd=cwd, stdout=subprocess.PIPE)
+                                  cwd=cwd, stdout=subprocess.PIPE, universal_newlines=True)
             for line in iter(st.stdout.readline, ''):
                 files += [line[2:].rstrip()]
         elif os.path.exists(os.path.join(cwd, '.git')):