code: def visit_alias(self, node):
      new_node = gast.alias(
          self._visit(node.name),
          self._visit(node.asname),
      )
      new_node.lineno = new_node.col_offset = None
      new_node.end_lineno = new_node.end_col_offset = None
      return new_node
  
imports: from .astn import AstToGAst, GAstToAst
  import ast
  import gast
label_desc: Use image node_id 20 for calling the Ast2ToGAst obj's underlying member method code with example usage: obj.visit_alias(node) and returns: new_node