Activating virtual environment on workers

This may be important for your attempt:

(PlayGround) pkg> ?activate
  activate
  activate [--shared|--temp] [path]

  Activate the environment at the given path, or the home project environment if no path is specified. The active environment is the
  environment that is modified by executing package commands. When the option --shared is given, path will be assumed to be a directory
  name and searched for in the environments folders of the depots in the depot stack. In case no such environment exists in any of the
  depots, it will be placed in the first depot of the stack. Use the temp option to create temporary environments. This should be useful
  for experimenting with packages.

Highlighted:
or the home project environment if no path is specified

home project is not the current path.

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