class_docstr: Abstract class to check if an AST node needs modification, potentially modify the node.
docstr: Check an AST node, and modify, replace, or remove it if applicable.
docstr_tok: ["Check","an","AST","node",",","and","modify",",","replace",",","or","remove","it","if","applicable","."]
code: def check_and_modify_node(self, node):
      """Check an AST node, and modify, replace, or remove it if applicable."""
      if self.node_should_be_modified(node):
          node = self.modify_node(node)
      return node
  
imports: from __future__ import absolute_import
  from abc import abstractmethod
label_desc: Use image node_id 1 for calling the Modifier obj's underlying member method code with example usage: obj.check_and_modify_node(node) and returns: node