Error while using Cython 0.27.3

[tzulberti-jampp]

If you delete all the pyc, etc... and run the tests, during compilation the following error take place:

Error compiling Cython file:
------------------------------------------------------------
...
                                    self.index[startpos,1],
                                    pybuf.len) == bkey:
                                return True
                            startpos += 1
                finally:
                    PyBuffer_Release(cython.address(pybuf))
                                          ^
------------------------------------------------------------

sharedbuffers/mapped_struct.py:4055:43: Taking address of non-lvalue (type Python object)

[klaussfreire]

See cython/cython#2046