docstr: A proxy-call to the dataframe's `.pipe()`.
code: def pipe(self, func):
      """
      A proxy-call to the dataframe's `.pipe()`.
      """
      return self.dataframe.pipe(func=func)
  
imports: from abc import ABC
label_desc: Use image node_id 19 for calling the DataframeAbstract obj's underlying member method code with example usage: obj.pipe(func) and returns: self