import os
print('CONDA_DEFAULT_ENV:', os.environ['CONDA_DEFAULT_ENV'])
print('CONDA_PROMPT_MODIFIER:', os.environ['CONDA_PROMPT_MODIFIER'])
CONDA_DEFAULT_ENV: base CONDA_PROMPT_MODIFIER: (base)
I've tried uninstalling and reinstalling from the installation script. This installs v1.9.7, where I can switch environments successfully. This behaviour only occurs if I run the update to 1.9.12.
I'm running Ubuntu Linux using the x86 installer.