Anaconda compatibility

[teddygroves]

No description provided.

[teddygroves]

See error from here:

$  make analysis
. .venv/bin/activate && (\
	  python -m pip install --upgrade pip; \
	  python -m pip install -r requirements.txt --quiet; \
	  install_cmdstan ; \
	)
Requirement already satisfied: pip in /Users/davidnicholson/opt/anaconda3/lib/python3.7/site-packages (21.3.1)
Collecting pip
  Using cached pip-23.0.1-py3-none-any.whl (2.1 MB)
Installing collected packages: pip
  Attempting uninstall: pip
    Found existing installation: pip 21.3.1
    Uninstalling pip-21.3.1:
      Successfully uninstalled pip-21.3.1
Successfully installed pip-23.0.1
ERROR: Cannot install -r requirements.txt (line 1) and scipy because these package versions have conflicting dependencies.
ERROR: ResolutionImpossible: for help visit https://pip.pypa.io/en/latest/topics/dependency-resolution/#dealing-with-dependency-conflicts
/bin/sh: install_cmdstan: command not found

[teddygroves]

See reviewer comment here: adding anaconda support would help non-anaconda users to easily see bibat's non-python dependencies.