zeroer

opencanaryd --start启动报错

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报错： from ._compat import _AnnotationExtractor File "/usr/lib/python2.7/site-packages/attr/_compat.py", line 11, in from collections.abc import Mapping, Sequence # noqa ImportError: No module named abc 查阅了资料，说Python2.7没有collections.abc这个库，但是项目又是用Python2.7起的，应该怎么解决呢