# Pastebin VDrC5teU
ERROR:sir:Can't pickle <type 'weakref'>: attribute lookup __builtin__.weakref failed
Traceback (most recent call last):
  File "sir/indexing.py", line 193, in _index_entity_process_wrapper
    return index_entity(*args)
  File "sir/indexing.py", line 220, in index_entity
    _query_database(entity_name, condition, data_queue)
  File "sir/indexing.py", line 265, in _query_database
    data_queue.put(data)
  File "<string>", line 2, in put
  File "/usr/local/lib/python2.7/multiprocessing/managers.py", line 758, in _callmethod
    conn.send((self._id, methodname, args, kwds))
PicklingError: Can't pickle <type 'weakref'>: attribute lookup __builtin__.weakref failed
2021-09-06 11:51:23,714: Failed to import url.
ERROR:sir:Failed to import url.
2021-09-06 11:51:23,715: Can't pickle <type 'weakref'>: attribute lookup __builtin__.weakref failed
Traceback (most recent call last):
  File "sir/indexing.py", line 152, in _multiprocessed_import
    for r in results:
  File "/usr/local/lib/python2.7/multiprocessing/pool.py", line 673, in next
    raise value
PicklingError: Can't pickle <type 'weakref'>: attribute lookup __builtin__.weakref failed
ERROR:sir:Can't pickle <type 'weakref'>: attribute lookup __builtin__.weakref failed
Traceback (most recent call last):
  File "sir/indexing.py", line 152, in _multiprocessed_import
    for r in results:
  File "/usr/local/lib/python2.7/multiprocessing/pool.py", line 673, in next
    raise value
PicklingError: Can't pickle <type 'weakref'>: attribute lookup __builtin__.weakref failed