pytype: stop excluding upgrade.py
The sole failure here was this, which is fixed by simply creating a set like the
caller, instead of a dict:
File "/mnt/c/Users/Matt/hg/mercurial/upgrade.py", line 73, in upgraderepo:
No attribute 'discard' on Dict[nothing, nothing] [attribute-error]
In Union[Any, Dict[nothing, nothing]]
Differential Revision: https://phab.mercurial-scm.org/D11911
$ hg init
$ "$PYTHON" -c 'open("a", "wb").write(b"confuse str.splitlines\nembedded\rnewline\n")'
$ hg ci -Ama -d '1 0'
adding a
$ echo clean diff >> a
$ hg ci -mb -d '2 0'
$ hg diff -r0 -r1
diff -r 107ba6f817b5 -r 310ce7989cdc a
--- a/a Thu Jan 01 00:00:01 1970 +0000
+++ b/a Thu Jan 01 00:00:02 1970 +0000
@@ -1,2 +1,3 @@
confuse str.splitlines
embedded\r (no-eol) (esc)
newline
+clean diff