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(RRR RR(R?tlangtraw((s1../Django//lib/python/django/db/models/options.pytverbose_name_raws   cCs|jrd|j|jjf}tt|jd}|ry|jd\}}Wntk rm|SXd||jfd|fkr|SqndS(u! Has this model been swapped out for another? If so, return the model name of the replacement; otherwise, return None. For historical reasons, model name lookups using get_model() are case insensitive, so we make sure we are case insensitive here. u%s.%su.N( R8R'R&RRRRRtsplitt ValueError(R?t model_labelt swapped_fort swapped_labeltswapped_object((s1../Django//lib/python/django/db/models/options.pyt_swappeds  " cCs0y |jWntk r(|jnX|jS(u  The getter for self.fields. This returns the list of field objects available to this model (including through parent models). Callers are not permitted to modify this list, since it's a reference to this instance (not a copy). 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