def UnlockScanNode(self, path_spec):
    if not self.HasScanNode(path_spec):
      raise KeyError(u'Scan node does not exist.')

    del self._locked_scan_nodes[path_spec]
Marks a scan node as unlocked.
dataset/ETHPy150Open log2timeline/dfvfs/dfvfs/helpers/source_scanner.py/SourceScannerContext.UnlockScanNode