def _vpcs_path(self):
        """
        Returns the VPCS executable path.

        :returns: path to VPCS
        """

        search_path = self._manager.config.get_section_config("VPCS").get("vpcs_path", "vpcs")
        path = shutil.which(search_path)
        # shutil.which return None if the path doesn't exists
        if not path:
            return search_path
        return path
Returns the VPCS executable path.

        :returns: path to VPCS