class_docstr: NodeTransformer-like visitor that copies an AST.
class_docstr_tok: ["NodeTransformer-like","visitor","that","copies","an","AST","."]
code: def __init__(self, preserve_annos):
      super(CleanCopier, self).__init__()
      self.preserve_annos = preserve_annos
  
imports: import ast
  import gast
  from tensorflow.python.autograph.pyct import anno
  from tensorflow.python.autograph.pyct import parser
  from tensorflow.python.autograph.pyct import qual_names
label_desc: Use image node_id 1 to create a new CleanCopier object from inherited base classes: object with example: obj = CleanCopier(preserve_annos)