contrib/python/Jinja2/py3/tests/test_features.py


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import pytest 
 
from jinja2 import Template
 
 
# Python < 3.7
def test_generator_stop(): 
    class X:
        def __getattr__(self, name): 
            raise StopIteration() 
 
    t = Template("a{{ bad.bar() }}b")
    with pytest.raises(RuntimeError): 
        t.render(bad=X())