Analysis: PyCurl installation errors, you need to install PyCurl library (PyCurl is a Python interface is a multi-protocol file transfer library libcurl similar urllib Python module, PyCurl can be used to obtain the URL identified objects from Python programs.)
Solution: access https://www.lfd.uci.edu/~gohlke/pythonlibs/#pycurl, download the file corresponding to the wheel,
For example, I am a Windows 7 64 Wei, Python 3.7.3, the pycurl-7.43.0.3-cp37-cp37m-win_amd64.whl download,
Then use the command pip install pycurl-7.43.0.3-cp37-cp37m-win_amd64.whl can be installed, the installation is complete pycurl,
pyspider installation needs to be installed PyCurl
Pip install pyspider again to execute successfully installed pyspider