pypet/naturalnaming.py
def vars(self):
        """Alternative naming, you can use `node.vars.name` instead of `node.v_name`"""
        if self._vars is None:
            self._vars = NNTreeNodeVars(self)
        return self._vars
def vars(self):
        if self._vars is None:
            self._vars = NNTreeNodeVars(self)
        return self._vars
def vars ( self ) : if self . _vars is None : self . _vars = NNTreeNodeVars ( self ) return self . _vars
Alternative naming, you can use `node.vars.name` instead of `node.v_name`
Alternative naming you can use node . vars . name instead of node . v_name