parameters: (self, key)
docstring: Return a byte string representation or raise a KeyError.
docstring_summary: Return a byte string representation or raise a KeyError.
docstring_tokens: Return a byte string representation or raise a KeyError .
function: def get_bytes(self, key):
          """Return a byte string representation or raise a KeyError."""
          raise NotImplementedError('Method must be implemented by subclass')
function_tokens: def get_bytes ( self , key ) : raise NotImplementedError ( 'Method must be implemented by subclass' )