我尝试使用以下命令从Mac OS安装wstools：pip install wstools
这是我收到的。关于为什么会发生这种情况的任何想法？
Downloading/unpacking wstools
Running setup.py egg_info for package wstools
Traceback (most recent call last):
File "<string>", line 14, in <module>
File "/Users/MS/Downloads/build/wstools/setup.py", line 139, in <module>
tests_require=get_requirements(base_path, 'requirements-dev.txt'),
File "/Users/MS/Downloads/build/wstools/setup.py", line 129, in get_requirements
reqs = parse_requirements(req_path, session=False)
TypeError: parse_requirements() got an unexpected keyword argument 'session'
Complete output from command python setup.py egg_info:
Traceback (most recent call last):
File "<string>", line 14, in <module>
File "/Users/MS/Downloads/build/wstools/setup.py", line 139, in <module>
tests_require=get_requirements(base_path, 'requirements-dev.txt'),
File "/Users/MS/Downloads/build/wstools/setup.py", line 129, in get_requirements
reqs = parse_requirements(req_path, session=False)
TypeError: parse_requirements() got an unexpected keyword argument 'session'
----------------------------------------
Command python setup.py egg_info failed with error code 1