Handles the requirements in the target repository, returns a path to a executable of the virtualenv.

def get_or_create_environment(self, repo: str, branch: str, git_repo: Repo, repo_path: Path) -> str:
        """ Handles the requirements in the target repository, returns a path to a executable of the virtualenv.
        """
        return str(self.get_or_create_venv(repo_path).resolve() / "bin" / "python")