code: def transform(self, node, results):
      if is_probably_builtin(node):
          node.value = "int"
          node.changed()
  
imports: from lib2to3 import fixer_base
  from lib2to3.fixer_util import is_probably_builtin
label_desc: Use image node_id 1 for calling the FixLong obj's underlying member method code with example usage: obj.transform(node, results) without return types