Traceback (most recent call last):

 "./test.py", line 23, in <module>
fx = interp1d(xs, ys, kind='cubic')

 "/usr/local/lib/python2.7/dist-packages/scipy/interpolate/interpolate.py", line 412, in __init__
self._spline = splmake(x, y, order=order)

 "/usr/local/lib/python2.7/dist-packages/scipy/interpolate/interpolate.py", line 2110, in splmake
coefs = func(xk, yk, order, conds, B)

 "/usr/local/lib/python2.7/dist-packages/scipy/interpolate/interpolate.py", line 1800, in _find_smoothest
u, s, vh = np.dual.svd(B)

 "/usr/local/lib/python2.7/dist-packages/scipy/linalg/decomp_svd.py", line 103, in svd
raise LinAlgError("SVD did not converge")numpy.linalg.linalg.LinAlgError: SVD did not converge
Traceback (most recent call last):

 "/usr/local/share/pypy3/ipython", line 7, in <module>
from IPython import start_ipython

 "/usr/local/Cellar/pypy3/2.4.0/libexec/site-packages/IPython/__init__.py", line 34, in <module>
raise ImportError('IPython requires Python version 2.7 or 3.3 or above.')ImportError: IPython requires Python version 2.7 or 3.3 or above.