Bug#891823: FTBFS in current sid

[Timo Aaltonen]

Package: dfvfs
Severity: important

Hi, dfvfs fails to build in sid because a test fails:

======================================================================
ERROR: testScanFVDE (helpers.source_scanner.SourceScannerTest)
Test the Scan function on FVDE.
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Traceback (most recent call last):
  File "/<<PKGBUILDDIR>>/tests/helpers/source_scanner.py", line 182, in
testScanFVDE
    self._source_scanner.Scan(scan_context)
  File "./dfvfs/helpers/source_scanner.py", line 565, in Scan
    self._ScanNode(scan_context, scan_node, auto_recurse=auto_recurse)
  File "./dfvfs/helpers/source_scanner.py", line 440, in _ScanNode
    scan_context, sub_scan_node, auto_recurse=auto_recurse)
  File "./dfvfs/helpers/source_scanner.py", line 450, in _ScanNode
    file_object.close()
  File "./dfvfs/file_io/file_io.py", line 98, in close
    self._Close()
  File "./dfvfs/file_io/file_object_io.py", line 35, in _Close
    self._file_object.close()
IOError: pyfvde_volume_close: unable to close volume.
libfvde_volume_close: invalid volume - missing file IO handle.


also upstream:
https://github.com/log2timeline/dfvfs/issues/262

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t