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pyln: Check that the stderr line is not none in pyln-testing tail

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I stumbled over this in a test run and it seems benign.
This commit is contained in:
Christian Decker 2020-12-15 11:03:16 +01:00
parent 7e867e5ee6
commit 1ff57f07f8
1 changed files with 1 additions and 1 deletions
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2
contrib/pyln-testing/pyln/testing/utils.py
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@ -227,7 +227,7 @@ class TailableProc(object):
if self.proc.stderr:
for line in iter(self.proc.stderr.readline, ''):
if len(line) == 0:
if line is None or len(line) == 0:
break
self.err_logs.append(line.rstrip().decode('UTF-8', 'replace')).rstrip()
self.proc.stderr.close()