docs: def relpath(self, path, project=None, root=None):
          """Returns the relative path from the root directory of the project
  
          We only store the paths relative to the root directory of the project.
          This method gives you this path from a path that is accessible from the
          current working directory
  
          Parameters
          ----------
          path: str
              The original path accessible from the current working directory
          project: str
              The project to use. If None, the :attr:`projectname` attribute is
              used
          root: str
              If not None, the root directory of the project
  
          Returns
          -------
          str
              The path relative from the root directory"""
          if root is None:
              root = self.config.projects[project or self.projectname]['root']
          return osp.relpath(path, root)