While installing VisPy in a miniconda environment: > conda install vispy Channels: - conda-forge - defaults Platform: win-64 Collecting package metadata (repodata.json): done Solving environment: \ warning libmamba Problem type not implemented SOLVER_RULE_STRICT_REPO_PRIORITY failed LibMambaUnsatisfiableError: Encountered problems while solving: - cannot install both pin-1-1 and pin-1-1 Could not solve for environment specs The following packages are incompatible └─ pin-1 is installable with the potential options ├─ pin-1 1, which can be installed; └─ pin-1 1 conflicts with any installable versions previously reported. Pins seem to be involved in the conflict. Currently pinned specs: - python 3.11.* (labeled as 'pin-1') Doesn't make sense for me, but seems related to Unable to downgrade (python) if (unrelated) packages are pinned and some package needs to be removed what does that mean? how to install VisPy safely? (without altering permanently the environment) Continue reading...