'''
PYTHON -m Cython.Build.Cythonize -i '**/*_test.py'
PYTHON -c "import cy_test; assert cy_test.TEST == 'cy_test', cy_test.TEST; assert '.py' not in cy_test.__file__, cy_test.__file__"
PYTHON -c "import pkg.cy_test; assert pkg.cy_test.TEST == 'pkg.cy_test', pkg.cy_test.TEST; assert '.py' not in pkg.cy_test.__file__, pkg.cy_test.__file__"
PYTHON -c "import pkg.sub.cy_test; assert pkg.sub.cy_test.TEST == 'pkg.sub.cy_test', pkg.sub.cy_test.TEST; assert '.py' not in pkg.sub.cy_test.__file__, pkg.cy_test.__file__"
'''

######## cy_test.py ########

TEST = 'cy_test'

######## pkg/__init__.py ########

######## pkg/cy_test.py ########

TEST = 'pkg.cy_test'

######## pkg/sub/__init__.py ########

######## pkg/sub/cy_test.py ########
# cython: language_level=3

TEST = 'pkg.sub.cy_test'

ustring = 'abc'

assert isinstance(ustring, unicode)