2241             finally:

  2241             finally:

  2242                 self._writinghandles = None

  2242                 self._writinghandles = None

  2243                 if dfh is not None:

  2243                 if dfh is not None:

  2244                     dfh.close()

  2244                     dfh.close()

  2245                 if sdfh is not None:

  2245                 if sdfh is not None:

  2247                 # closing the index file last to avoid exposing referent to

  2247                 # closing the index file last to avoid exposing referent to

  2248                 # potential unflushed data content.

  2248                 # potential unflushed data content.

  2249                 if ifh is not None:

  2249                 if ifh is not None:

  2250                     ifh.close()

  2250                     ifh.close()

  2251 

  2251