original_docstring: 
          This is invoked on the subset of non-tree edges whose target vertex is
          colored black at the time of examination.
          The color black indicates that the vertex has been removed from the queue.
          
docstring: This is invoked on the subset of non-tree edges whose target vertex is
  colored black at the time of examination.
  The color black indicates that the vertex has been removed from the queue.
docstring_tokens: This is invoked on the subset of non - tree edges whose target vertex is colored black at the time of examination . The color black indicates that the vertex has been removed from the queue .
code: def black_target_edge(self, e):
          """
          This is invoked on the subset of non-tree edges whose target vertex is
          colored black at the time of examination.
          The color black indicates that the vertex has been removed from the queue.
          """
          return
code_tokens: def black_target_edge ( self , e ) : return
short_docstring: This is invoked on the subset of non-tree edges whose target vertex is
  colored black at the time of examination.
short_docstring_tokens: This is invoked on the subset of non - tree edges whose target vertex is colored black at the time of examination .
comment: """
          This is invoked on the subset of non-tree edges whose target vertex is
          colored black at the time of examination.
          The color black indicates that the vertex has been removed from the queue.
          """