hgdemandimport: bypass demandimport for _ast module (
issue6407)
This is broken on Python 3.9rc1, and while it sounds like there may be
a fix in Python, we probably also should have this workaround in place
in hg. See the bug for more details (including on bugs at redhat and
b.p.o).
Differential Revision: https://phab.mercurial-scm.org/D9004
--- a/hgdemandimport/__init__.py Fri Sep 04 15:21:02 2020 -0400
+++ b/hgdemandimport/__init__.py Wed Sep 09 14:48:55 2020 -0400
@@ -46,6 +46,7 @@
# setuptools' pkg_resources.py expects "from __main__ import x" to
# raise ImportError if x not defined
'__main__',
+ '_ast', # https://bugs.python.org/issue41631
'_ssl', # conditional imports in the stdlib, issue1964
'_sre', # issue4920
'rfc822',