Traceback (most recent call last):


 "/private/tmp/venv/lib/python3.8/site-packages/vispy/app/backends/_qt.py", line 825, in paintGL

self._vispy_canvas.events.draw(region=None)


 "/private/tmp/venv/lib/python3.8/site-packages/vispy/util/event.py", line 455, in __call__

self._invoke_callback(cb, event)


 "/private/tmp/venv/lib/python3.8/site-packages/vispy/util/event.py", line 473, in _invoke_callback

_handle_exception(self.ignore_callback_errors,


 "/private/tmp/venv/lib/python3.8/site-packages/vispy/util/event.py", line 471, in _invoke_callback

cb(event)


 "/private/tmp/venv/lib/python3.8/site-packages/vispy/gloo/context.py", line 175, in flush_commands

self.shared.parser.parse([('CURRENT', 0, fbo)])


 "/private/tmp/venv/lib/python3.8/site-packages/vispy/gloo/glir.py", line 819, in parse

self._parse(command)


 "/private/tmp/venv/lib/python3.8/site-packages/vispy/gloo/glir.py", line 743, in _parse

self._gl_initialize()


 "/private/tmp/venv/lib/python3.8/site-packages/vispy/gloo/glir.py", line 836, in _gl_initialize

gl.glEnable(GL_VERTEX_PROGRAM_POINT_SIZE)


 "/private/tmp/venv/lib/python3.8/site-packages/vispy/gloo/gl/_gl2.py", line 444, in glEnable

nativefunc = glEnable._native = _get_gl_func("glEnable", None, (ctypes.c_uint,))


 "/private/tmp/venv/lib/python3.8/site-packages/vispy/gloo/gl/gl2.py", line 69, in _get_gl_func

raise RuntimeError('Could not load OpenGL library, gl cannot be used')
RuntimeError: Could not load OpenGL library, gl cannot be used

Traceback (most recent call last):



 "<spack-dir>/bin/spack", line 64, in <module>


sys.exit(spack.main.main())



 "<spack-dir>/lib/spack/spack/main.py", line 663, in main


ev.activate(env, args.use_env_repo)



 "<spack-dir>/lib/spack/spack/environment.py", line 163, in activate


cmds += env.add_default_view_to_shell(shell)



 "<spack-dir>/lib/spack/spack/environment.py", line 1107, in add_default_view_to_shell


spec, self.default_view))



 "<spack-dir>/lib/spack/spack/user_environment.py", line 89, in environment_modifications_for_spec


spec.package.setup_run_environment(env)



 "<spack-dir>/lib/spack/spack/build_systems/intel.py", line 1018, in setup_run_environment


env.extend(EnvironmentModifications.from_sourcing_file(f, *args))



 "<spack-dir>/lib/spack/spack/util/environment.py", line 587, in from_sourcing_file


raise RuntimeError(msg)

RuntimeError: Trying to source non-existing file: <spack-dir>/var/spack/environments/dft_intel-20-01/.spack-env/view/compilers_and_libraries/linux/mkl/bin/mklvars.sh

