def copy_w9xpopen(self, modules, dlls):
        # Using popen requires (on Win9X) the w9xpopen.exe helper executable.
        if "os" != modules.keys() or "popen2" in modules.keys():
            if is_debug_build:
                fname = os.path.join(os.path.dirname(sys.executable), "w9xpopen_d.exe")
            else:
                fname = os.path.join(os.path.dirname(sys.executable), "w9xpopen.exe")
            # Don't copy w9xpopen.exe if it doesn't exist (64-bit
            # Python build, for example)
            if os.path.exists(fname):
                dlls.add(fname)
dataset/ETHPy150Open fogleman/FeedNotifier/patch/build_exe.py/py2exe.copy_w9xpopen/operator `in` -> `!=`