windows Python3.5.4 环境安装sqlalchemy出现no attribute ‘sort‘

pip install sqlalchemy
Traceback (most recent call last):
  File "c:\python35\lib\runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "c:\python35\lib\runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "c:\Python35\Scripts\pip.exe\__main__.py", line 5, in
  File "c:\python35\lib\site-packages\pip\__init__.py", line 26, in
    from pip.utils import get_installed_distributions, get_prog
  File "c:\python35\lib\site-packages\pip\utils\__init__.py", line 27, in
    from pip._vendor import pkg_resources
  File "c:\python35\lib\site-packages\pip\_vendor\pkg_resources\__init__.py", line 3019, in
    @_call_aside
  File "c:\python35\lib\site-packages\pip\_vendor\pkg_resources\__init__.py", line 3005, in _call_aside
    f(*args, **kwargs)