我想在 CentOS 下安装一个叫 QuTiP(类似于 numpy)的库，然后无论是 pip install QuTiP，还是 Python setup.py install，一直出现如下问题。

[lifeorleave]

Error compiling Cython file:
------------------------------------------------------------
...
Coefficient in front of B.

"""
cdef int nrows2 = A.shape[0]**2
cdef int inc = 1
zaxpy(&nrows2, &alpha, &B[0,0], &inc, &A[0,0], &inc)

^
------------------------------------------------------------

qutip/cy/brtools.pyx:98:51: Converting to Python object not allowed without gil
Traceback (most recent call last):
File "setup.py", line 245, in <module>
ext_modules = cythonize(EXT_MODULES),
File "/usr/lib64/python2.7/site-packages/Cython/Build/Dependencies.py", line 1026, in cythonize
cythonize_one(*args)
File "/usr/lib64/python2.7/site-packages/Cython/Build/Dependencies.py", line 1146, in cythonize_one
raise CompileError(None, pyx_file)
Cython.Compiler.Errors.CompileError: qutip/cy/brtools.pyx

在谷歌上搜了一下，说是要将 Cython 更新到最新版本，然后我看了下，已经是最新版本 0.28.2 了。有大神遇到过这样的问题吗？

[shootsoft]

已经是最新版了，没准你看的帖子指的是前一个版本🤔