call site 20 for path.local.join
apigen/rest/testing/test_rest.py - line 103
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   def test_getlink(self):
->     dw = DirWriter(temppath.join('dirwriter_getlink'))
       link = dw.getlink('function', 'Foo.bar', 'method_foo_bar')
       assert link == 'method_foo_bar.html'