Traceback (most recent call last):
  File "/opt/hydrus/include/ClientImporting.py", line 662, in _WorkOnFiles
    ( status, hash ) = HydrusGlobals.client_controller.WriteSynchronous( 'import_file', path, import_file_options = self._import_file_options )
  File "/opt/hydrus/include/HydrusController.py", line 239, in WriteSynchronous
    return self._Write( action, HC.LOW_PRIORITY, True, *args, **kwargs )
  File "/opt/hydrus/include/HydrusController.py", line 74, in _Write
    result = self._db.Write( action, priority, synchronous, *args, **kwargs )
  File "/opt/hydrus/include/HydrusDB.py", line 335, in Write
    if synchronous: return job.GetResult()
  File "/opt/hydrus/include/HydrusData.py", line 1353, in GetResult
    raise HydrusExceptions.DBException( text, caller_traceback, db_traceback )
DBException: (u"'module' object has no attribute 'CV_LOAD_IMAGE_UNCHANGED'", 'Stack Trace (most recent call last):\n\n  File "/usr/lib64/python2.7/threading.py", line 783, in __bootstrap\n    self.__bootstrap_inner()\n\n  File "/usr/lib64/python2.7/threading.py", line 810, in __bootstrap_inner\n    self.run()\n\n  File "/usr/lib64/python2.7/threading.py", line 763, in run\n    self.__target(*self.__args, **self.__kwargs)\n\n  File "/opt/hydrus/include/ClientImporting.py", line 730, in _THREADWork\n    self._WorkOnFiles( page_key )\n\n  File "/opt/hydrus/include/ClientImporting.py", line 662, in _WorkOnFiles\n    ( status, hash ) = HydrusGlobals.client_controller.WriteSynchronous( \'import_file\', path, import_file_options = self._import_file_options )\n\n  File "/opt/hydrus/include/HydrusController.py", line 239, in WriteSynchronous\n    return self._Write( action, HC.LOW_PRIORITY, True, *args, **kwargs )\n\n  File "/opt/hydrus/include/HydrusController.py", line 74, in _Write\n    result = self._db.Write( action, priority, synchronous, *args, **kwargs )\n\n  File "/opt/hydrus/include/HydrusDB.py", line 335, in Write\n    if synchronous: return job.GetResult()\n\n  File "/opt/hydrus/include/HydrusData.py", line 1349, in GetResult\n    trace_list = traceback.format_stack()\n', 'Traceback (most recent call last):\n\n  File "/opt/hydrus/include/HydrusDB.py", line 196, in _ProcessJob\n    elif job_type in ( \'write\', \'write_special\' ): result = self._Write( action, *args, **kwargs )\n\n  File "/opt/hydrus/include/ClientDB.py", line 6570, in _Write\n    elif action == \'import_file\': result = self._ImportFile( *args, **kwargs )\n\n  File "/opt/hydrus/include/ClientDB.py", line 4039, in _ImportFile\n    self._AddThumbnails( [ ( hash, thumbnail ) ] )\n\n  File "/opt/hydrus/include/ClientDB.py", line 1141, in _AddThumbnails\n    phash = HydrusImageHandling.GeneratePerceptualHash( thumbnail_path )\n\n  File "/opt/hydrus/include/HydrusImageHandling.py", line 130, in GeneratePerceptualHash\n    numpy_image = cv2.imread( path, cv2.CV_LOAD_IMAGE_UNCHANGED )\n\nAttributeError: \'module\' object has no attribute \'CV_LOAD_IMAGE_UNCHANGED\'\n')