<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def convert_from_missing_indexer_tuple(indexer, axes):
 """ create a filtered indexer that doesn't have any missing indexers """


    def get_indexer(_i, _idx):
        return (axes[_i].get_loc(_idx['key']) if isinstance(_idx, dict) else
                _idx)

    return tuple(get_indexer(_i, _idx) for _i, _idx in enumerate(indexer))