I\'m using Python 3.7 on Arch Linux. I\'ve been trying to install Mayavi with pip but it always fails when installing vtk. So I found out that even when trying to install vtk by
Could not find a version that satisfies the requirement vtk (from versions: )
Among the currently released files there are no binaries for Python 2.7 and there is source code. Either you should try a different version of Python (2.7, 3.4-3.6) or compile/install VTK from sources.
vtk-8.1.0-cp27-cp27mu-manylinux1_x86_64.whl is not a supported wheel on this platform.
You're trying to install a Python 2.7 binary wheel for Python 3.7. That's impossible.