Fix bug in SQL storage remove statement.
@@ -98,7 +98,7 @@ INSERT IGNORE INTO {db}.csetvalues (id, valuestr)
QUERY_REMOVE = """
DELETE FROM {db}.csetvalues WHERE
- id IN (SELECT id, '{{valuestr}}' FROM {db}.ckeys WHERE keystr='{{keystr}}') AND valuestr='{{valuestr}}';
+ id IN (SELECT id FROM {db}.ckeys WHERE keystr='{{keystr}}') AND valuestr='{{valuestr}}';
""".format(db=config_kwargs['db'])
QUERY_GETCONCAT = """
