DatastoreMySQL.delete() fails when passed more than one delete parameter

[kevinschumacher]

The following usage of DatastoreMySQL.delete() fails with a sql syntax error.

dsh = DatastoreMySQL()
dsh.select_db(...)
dsh.delete(
    'some_table',
    {'field1': 'value', 'field2': 'other_value'}
)

pymysql.err.ProgrammingError: (1064, "You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ' field2 = 'other_value'' at line 1")