py3: conditionalize test-lfs-serve-access.t for Python 3.8
This is another case where Python 3.8's traceback printing
varies subtly from older Python versions. Again, I'm not sure
why. But this is apparently the new behavior.
With this change, test-lfs-serve-access.t now passes on Python
3.8!
Differential Revision: https://phab.mercurial-scm.org/D7947
# See http://EditorConfig.org for the specification
root = true
[*.py]
indent_size = 4
indent_style = space
trim_trailing_whitespace = true
[*.{c,h}]
indent_size = 8
indent_style = tab
trim_trailing_whitespace = true
[*.t]
indent_size = 2
indent_style = space
trim_trailing_whitespace = false