iotests: Flush in iotests.py's QemuIoInteractive

After issuing a command, flush the pipe.  This does not change anything
in Python 2, but it makes a difference in Python 3.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Cleber Rosa <crosa@redhat.com>
Message-Id: <20181022135307.14398-3-mreitz@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This commit is contained in:
Max Reitz 2018-10-22 14:53:00 +01:00 committed by Eduardo Habkost
parent 6d39db96d2
commit f544adf736
1 changed files with 1 additions and 0 deletions

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@ -178,6 +178,7 @@ class QemuIoInteractive:
cmd = cmd.strip()
assert cmd != 'q' and cmd != 'quit'
self._p.stdin.write(cmd + '\n')
self._p.stdin.flush()
return self._read_output()