Fix test_compiler.py that was using unittest.__file__ to find Lib/ (unittest is now a package).
diff --git a/Lib/test/test_compiler.py b/Lib/test/test_compiler.py
index c257f02..6394b53 100644
--- a/Lib/test/test_compiler.py
+++ b/Lib/test/test_compiler.py
@@ -23,7 +23,9 @@
# to generate some kind of code for it.
next_time = time.time() + _PRINT_WORKING_MSG_INTERVAL
- libdir = os.path.dirname(unittest.__file__)
+ # warning: if 'os' or 'test_support' are moved in some other dir,
+ # they should be changed here.
+ libdir = os.path.dirname(os.__file__)
testdir = os.path.dirname(test.test_support.__file__)
for dir in [libdir, testdir]: