应该跳到skip2。如果你不能通过阅读代码找到问题，你可以通过单步调试来观察问题--你可以注意到在第二次...
Pydgin depends on the libraries provided by the RPython translation toolchain for jit annotations and interpreter translation. Before running a Pydgin simulator, please install the PyPy project source code and specify its location by creating a PYDGIN_PYPY_SRC_DIR environment variable: ...