parameters: (self, attrs)
docstring: Non-NS-aware implementation.
  
          attrs should be of the form {name : value}.
docstring_summary: Non-NS-aware implementation.
docstring_tokens: Non - NS - aware implementation .
function: def __init__(self, attrs):
          """Non-NS-aware implementation.
  
          attrs should be of the form {name : value}."""
          self._attrs = attrs
function_tokens: def __init__ ( self , attrs ) : self . _attrs = attrs