安装scrapy 报错
Building wheels for collected packages: PyDispatcher, functools32
Building wheel for PyDispatcher (setup.py) ... done
Created wheel for PyDispatcher: filename=PyDispatcher-2.0.5-py2-none-any.whl size=11499 sha256=49e9455d58cc58f31ef863f46e8b72b7dc866510d40332d413673e547fbb7c28
Stored in directory: /tmp/pip-ephem-wheel-cache-FmCd3Y/wheels/35/5f/0f/474144aca7e2624be7670cdd9c6eca4979713cee237d16b464
Building wheel for functools32 (setup.py) ... done
Created wheel for functools32: filename=functools32-3.2.3_2-py2-none-any.whl size=14499 sha256=cdd9c5987af099a5e4c33c3f084d4986ec6fa115335971fd7ae3031efbbb6929
Stored in directory: /tmp/pip-ephem-wheel-cache-FmCd3Y/wheels/c2/ea/a3/25af52265fad6418a74df0b8d9ca8b89e0b3735dbd4d0d3794
Successfully built PyDispatcher functools32
Installing collected packages: pyOpenSSL, functools32, parsel, PyDispatcher, scrapy
Attempting uninstall: pyOpenSSL
Found existing installation: pyOpenSSL 0.13.1
ERROR: Cannot uninstall 'pyOpenSSL'. It is a distutils installed project and thus we cannot accurately determine which files belong to it which would lead to only a partial uninstall
我的pyopenssl包已经安装好了