parameters: (attr, src, dst)
docstring: Copy attr from src to dst.
docstring_summary: Copy attr from src to dst.
docstring_tokens: Copy attr from src to dst .
function: def _copy_attr(attr, src, dst):
    """Copy attr from src to dst."""
    setattr(dst, attr, getattr(src, attr))
function_tokens: def _copy_attr ( attr , src , dst ) : setattr ( dst , attr , getattr ( src , attr ) )