475
475
if (self._remote_version_is_before is not None and
476
476
version_tuple > self._remote_version_is_before):
478
478
"_remember_remote_is_before(%r) called, but "
479
479
"_remember_remote_is_before(%r) was called previously."
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480
% (version_tuple, self._remote_version_is_before))