from scipy import interpolate
yao = np.asarray(yo[0::10])
xao = np.asarray(xo[0::10])
#plt.plot(xao, yao)
print(len(xao))
okayo = np.where(np.abs(np.diff(xao)) + np.abs(np.diff(yao)) > 0)
xpo = np.r_[xao[okayo], xao[-1]]
print(len(xpo))
ypo = np.r_[yao[okayo], yao[-1]]

tcko, uo = interpolate.splprep([xpo, ypo], s=3, k=1, per=False)
xo, yo = interpolate.splev(np.linspace(0, 1, 100), tcko)

fig = plt.figure()
ax = plt.subplot(111)
ax.plot(xao, yao, '.', markersize=2)
ax.plot(xo, yo, alpha=0.5)