2D class - "2 errors detected in the compilation of "/tmp/tmpxft_00002cbf_00000000-6_kernel.cpp1.ii"

When I proceed to do that I get the following:

WARNING: Requirement ‘deps_bundle/python/python_packages/pip_packages/pycuda-2019.1.tar.gz’ looks like a filename, but the file does not exist

Processing ./deps_bundle/python/python_packages/pip_packages/pycuda-2019.1.tar.gz

ERROR: Could not install packages due to an EnvironmentError: [Errno 2] No such file or directory: ‘/home/stavros/apps/cryosparc/cryosparc2_worker/deps_bundle/python/python_packages/pip_packages/pycuda-2019.1.tar.gz’

and now nothing works.

I tried solution here:

It completes installation, but I still get the same error.