[issue30542] [EASY] test_files() of test_tools.test_unparse.DirectoryTestCase leaks references

[Milan Oberkirch]

Milan Oberkirch added the comment:

I tried to pin this leak down and got to the point where I suspect the compile call:

    def check_roundtrip(self, code1, filename="internal"):
        ast1 = compile(code1, filename, "exec", ast.PyCF_ONLY_AST)

the leaks occur with only that line in the function and do not occur without it.

To me it looks like a direct result of some leak somewhere in the tested code?

Garrett: I'm happy for you to take over (please leave a comment if you do)!

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nosy: +zvyn

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<http://bugs.python.org/issue30542>
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