def validate_read(self, kwargs):
kwargs = super().validate_read(kwargs)<EOL>if '<STR_LIT:start>' in kwargs or '<STR_LIT>' in kwargs:<EOL><INDENT>raise NotImplementedError("<STR_LIT>"<EOL>"<STR_LIT>")<EOL><DEDENT>return kwargs<EOL>
we don't support start, stop kwds in Sparse