You need an updated libstdc++.so. See LINUX_INSTALL.md for details.
I get an error
ImportError .. version GLIBCXX_3.4.21 not defined in libstdc++.so.6 with link time reference`
You ned an updated libstdc++.so. See LINUX_INSTALL.md for details. (Strictly, speaking you have an updated libstdc++.so, but it was not compiled with the cxx11 abi)
You need to install Blas and Lapack. See LINUX_INSTALL.md for details.
I get an error
ImportError: liblapack.so.3: Cannot open shared object file: No such file or directory
You need to install Blas and Lapack. See LINUX_INSTALL.md for details.