def _clear_minimum_terms(self, match_key):
try:  <EOL><INDENT>del self._query_terms[match_key]['<STR_LIT>']<EOL><DEDENT>except KeyError:<EOL><INDENT>pass<EOL><DEDENT>try:  <EOL><INDENT>del self._query_terms[match_key]['<STR_LIT>']<EOL><DEDENT>except KeyError:<EOL><INDENT>pass<EOL><DEDENT>try:<EOL><INDENT>if self._query_terms[match_key] == {}:<EOL><INDENT>del self._query_terms[match_key]<EOL><DEDENT><DEDENT>except KeyError:<EOL><INDENT>pass<EOL><DEDENT>
clears minimum match_key term values