It looks like the openmpi/4.1.0 conan package is still not ready for conan 2.0
ERROR: Package 'openmpi/4.1.0' not resolved: openmpi/4.1.0: Cannot load recipe.
Error loading conanfile at '/github/home/.conan2/p/openmf80d14015631f/e/conanfile.py': Unable to load conanfile in /github/home/.conan2/p/openmf80d14015631f/e/conanfile.py
File "<frozen importlib._bootstrap_external>", line 728, in exec_module
File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
File "/github/home/.conan2/p/openmf80d14015631f/e/conanfile.py", line 1, in <module>
from conans import ConanFile, tools, AutoToolsBuildEnvironment
ImportError: cannot import name 'ConanFile' from 'conans' (/opt/pyenv/versions/3.7.13/lib/python3.7/site-packages/conans/__init__.py)
I split this ticket from #620.
It looks like the openmpi/4.1.0 conan package is still not ready for conan 2.0
https://github.com/ess-dmsc/h5cpp/actions/runs/4675291381/jobs/8280263435#step:6:102
and according to
https://github.com/conan-io/conan-center-index/pull/13655
we have to wait for it much longer (if at all) or do it yourself or comment out MPI ??