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Use an explicit encoding when opening `os.devnul` 

Although slightly pointless, this avoids an `EncodingWarning` in Python 3.10
or greater when running under the `-X warn_default_encoding` flag.
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Adam Turner 2022-09-30 23:43:27 +01:00 committed by GitHub
parent 59b8ec3ce1
commit 594413e8f0
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1 changed files with 1 additions and 1 deletions
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src/_pytest/capture.py
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@ -381,7 +381,7 @@ class FDCaptureBinary:
self.targetfd_save = os.dup(targetfd) self.targetfd_save = os.dup(targetfd)
if targetfd == 0: if targetfd == 0:
self.tmpfile = open(os.devnull) self.tmpfile = open(os.devnull, encoding="utf-8")
self.syscapture = SysCapture(targetfd) self.syscapture = SysCapture(targetfd)
else: else:
self.tmpfile = EncodedFile( self.tmpfile = EncodedFile(