tests: unconditionalize _unified_diff
Now that we're Python 3 only we can make this logic simpler.
Differential Revision: https://phab.mercurial-scm.org/D12237
--- a/tests/run-tests.py Sun Feb 20 13:19:21 2022 -0700
+++ b/tests/run-tests.py Sun Feb 20 13:20:33 2022 -0700
@@ -52,6 +52,7 @@
import difflib
import distutils.version as version
import errno
+import functools
import json
import multiprocessing
import os
@@ -879,11 +880,7 @@
pass
-_unified_diff = difflib.unified_diff
-if PYTHON3:
- import functools
-
- _unified_diff = functools.partial(difflib.diff_bytes, difflib.unified_diff)
+_unified_diff = functools.partial(difflib.diff_bytes, difflib.unified_diff)
def getdiff(expected, output, ref, err):