class_docstr: A code generator which renders Python types by not adding
  ``to_string()`` around output nodes.
code: def _output_child_pre(self, node, frame, finalize):
      if finalize.src is not None:
          self.write(finalize.src)
  
imports: from ast import literal_eval
  from itertools import chain
  from itertools import islice
  from .None import nodes
  from ._compat import text_type
  from .compiler import CodeGenerator
  from .compiler import has_safe_repr
  from .environment import Environment
  from .environment import Template
label_desc: Use image node_id 4 for calling the NativeCodeGenerator obj's underlying member method code with example usage: obj._output_child_pre(node, frame, finalize) without return types