isl_test_python.py: drop spurious semicolons
isl_test_python.py: drop spurious semicolons

The semicolons are harmless, but inconsistent with respect
to the rest of the file.

Signed-off-by: Sven Verdoolaege <dd860110a62b19214c4ee03aec0abffecb4e86b8@cerebras.net>

Meinersbur/isl,Meinersbur/isl,Meinersbur/isl,Meinersbur/isl