def berkowitz_eigenvals(self, **flags):
        return roots(self.berkowitz_charpoly(Dummy('x')), **flags)
When the TLS transport is blocked on reads, it correctly calls
dataset/ETHPy150Open sympy/sympy/sympy/matrices/matrices.py/MatrixBase.berkowitz_eigenvals--crossover with--dataset/ETHPy150Open nlloyd/SubliminalCollaborator/libs/twisted/protocols/test/test_tls.py/TLSProducerTests.test_streamingProducerResumedInWriteBlockedOnReadMode