scripts: python3: decode subprocess output

stdeout and stderr content returned by subprocess API has different
types in Python 3(bytes) and Python 2(string). Decoding it to
'utf-8' makes it unicode on both pythons.

Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/scripts/cleanup-workdir b/scripts/cleanup-workdir
index fee464c31d..0b2cf99d78 100755
--- a/scripts/cleanup-workdir
+++ b/scripts/cleanup-workdir
@@ -45,7 +45,7 @@ def run_command(cmd):
     if pipe.returncode != 0:
         print("Execute command '%s' failed." % cmd)
         sys.exit(1)
-    return output
+    return output.decode('utf-8')
 
 def get_cur_arch_dirs(workdir, arch_dirs):
     pattern = workdir + '/(.*?)/'