SOLVED. The problem was that the environment variable REQUESTS_CA_BUNDLE was not set in the Anaconda Prompt shell profile, or any other command shell profile such as Git or Cmdr. Below are the steps I used to correct this in the various shells. You only have to set this variable in the shell you are using. You can verify REQUESTS_CA_BUNDLE is set in the shell by typing 'conda info -s' then look ..