class_docstr: A benchmark suite stub that contains `register_benchmarks` and generic
  before/after methods.
  
  Inherit from this class and implement `register_benchmarks`, which should
  set all benchmark methods as attributes on the class.
class_docstr_tok: ["A","benchmark","suite","stub","that","contains","`","register_benchmarks","`","and","generic","before\/after","methods",".","Inherit","from","this","class","and","implement","`","register_benchmarks","`",",","which","should","set","all","benchmark","methods","as","attributes","on","the","class","."]
code: def after_each(self):
      pass
  
imports: import logging
  import os
  import sys
  import signal
  import subprocess
  import venv
  import tornado
  from timeit import timeit
  from perspective import Table, PerspectiveManager, PerspectiveTornadoHandler
label_desc: Use image node_id 5 for calling the Suite obj's underlying member method code with example usage: obj.after_each() without return types