code: def _embed_signature(self, signature, node_doc):
      if node_doc:
          return "%s\n%s" % (signature, node_doc)
      else:
          return signature
  
imports: from __future__ import absolute_import, print_function
  from .Visitor import CythonTransform
  from .StringEncoding import EncodedString
  from .None import Options
  from .None import PyrexTypes, ExprNodes
  from ..CodeWriter import ExpressionWriter
label_desc: Use image node_id 8 for calling the EmbedSignature obj's underlying member method code with example usage: obj._embed_signature(signature, node_doc) and returns: unknown, signature