Try to import Mapping and MutableMapping from collections.abc#403
Merged
gsnedders merged 1 commit intohtml5lib:masterfrom Oct 1, 2018
Merged
Try to import Mapping and MutableMapping from collections.abc#403gsnedders merged 1 commit intohtml5lib:masterfrom
gsnedders merged 1 commit intohtml5lib:masterfrom