无论我是使用 pip 还是从源安装，无论我使用 python2 还是 python3，我都无法安装 cvxpy。我已经尝试了四个多小时了，但仍然失败。cvxpy 或 qdldl 的 github 页面不会给我任何解决方案。我安装了导致其他错误但没有成功的软件包。任何提示表示赞赏。
\nuser@ion:~ $ sudo pip install cvxpy\n\nLooking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple\nCollecting cvxpy\n Using cached https://files.pythonhosted.org/packages/11/d0/d900870dc2d02ea74961b90c353666c6528a33ea61a10aa59a0d5574ae59/cvxpy-1.0.31.tar.gz\n Installing build dependencies ... done\nCollecting osqp>=0.4.1 (from cvxpy)\n Using cached https://files.pythonhosted.org/packages/c0/90/4cf48c200a89e46bcad87e12469ee36fc03d0c3f16b703b747e8c4bf618e/osqp-0.6.2.post0.tar.gz\n Installing build dependencies ... done\n Complete output from command python setup.py egg_info:\n Failed building wheel for qdldl\n ERROR: Failed to build one or more wheels\n Disabling LONG\n Remove long integers for numpy compatibility. See:\n - https://github.com/numpy/numpy/issues/5906\n - https://github.com/ContinuumIO/anaconda-issues/issues/3823\n You can reenable long …