Traceback (most recent call last):
  File "...\PositionalList.py", line 1, in <module>
    from _DoublyLinkedBase import _DoublyLinkedBase
  File "<frozen importlib._bootstrap>", line 968, in _find_and_load
  File "<frozen importlib._bootstrap>", line 148, in __enter__
  File "<frozen importlib._bootstrap>", line 174, in _get_module_lock
  File "<frozen importlib._bootstrap>", line 59, in __init__
  File "<frozen importlib._bootstrap>", line 59, in __init__
  File "...\Python\Python36\lib\bdb.py", line 48, in trace_dispatch
    return self.dispatch_line(frame)
  File "...\Python\Python36\lib\bdb.py", line 66, in dispatch_line
    self.user_line(frame)
  File "...\Python\Python36\lib\idlelib\debugger.py", line 24, in user_line
    self.gui.interaction(message, frame)
AttributeError: '_ModuleLock' object has no attribute 'name'

The file works correctly in PowerShell, but in IDLE debbuger there is a error.