about import LineClient,LineGroup,LineContact

Traceback (most recent call last):
File "", line 1, in
File "line/init.py", line 11, in
from .client import LineClient
File "line/client.py", line 86
self.id = id

how to fix this error,and why is this result?

Start by reproducing the traceback from the import in line/init.py and inspect the reported location at line 86 of line/client.py. Compare the package's import behavior for LineClient, LineGroup, and LineContact; done means the reported import error is reproducible, its cause is documented, and the imports work or the required limitation is clearly stated.

Written by the indexing model from the issue text.