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pylorax: proc.returncode can be None

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So use %s to keep it from generating a Traceback. If a callback is used
and it exits before the process does the returncode can be None.
This commit is contained in:
Brian C. Lane 2016-03-07 16:53:09 -08:00
parent 4699c88109
commit 4fea0ba7f1
1 changed files with 1 additions and 1 deletions
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2
src/pylorax/executils.py
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@ -194,7 +194,7 @@ def _run_program(argv, root='/', stdin=None, stdout=None, env_prune=None, log_ou
raise
with program_log_lock:
program_log.debug("Return code: %d", proc.returncode)
program_log.debug("Return code: %s", proc.returncode)
if proc.returncode and raise_err:
output = (output_string or "") + (err_string or "")