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-rw-r--r--scripts/lib/wic/utils/runner.py4
1 files changed, 2 insertions, 2 deletions
diff --git a/scripts/lib/wic/utils/runner.py b/scripts/lib/wic/utils/runner.py
index 737751bd73..db536ba588 100644
--- a/scripts/lib/wic/utils/runner.py
+++ b/scripts/lib/wic/utils/runner.py
@@ -65,8 +65,8 @@ def runtool(cmdln_or_args, catch=1):
process = subprocess.Popen(cmdln_or_args, stdout=sout,
stderr=serr, shell=shell)
(sout, serr) = process.communicate()
- # combine stdout and stderr, filter None out
- out = ''.join(filter(None, [sout, serr]))
+ # combine stdout and stderr, filter None out and decode
+ out = ''.join([out.decode('utf-8') for out in [sout, serr] if out])
except OSError as err:
if err.errno == 2:
# [Errno 2] No such file or directory