| 55 | |
| 56 | # Exception raised when an error or invalid response is received |
| 57 | class Error(Exception): pass |
| 58 | class error_reply(Error): pass # unexpected [123]xx reply |
| 59 | class error_temp(Error): pass # 4xx errors |
| 60 | class error_perm(Error): pass # 5xx errors |