''XFoil' object has no attribute '_lib'
Hello I'm trying to use Xfoil package using python. As the instructions say I installed the package and have written the following lines which are also shown in the documentation as a simple example. But, I always get error when running it in the second line xf=XFoil() and the error is AttributeError: 'XFoil' object has no attribute '_lib' Thanks for any suggestions
from xfoil import XFoil
xf = XFoil()
from xfoil.test import naca0012
xf.airfoil = naca0012
xf.Re = 1e6
xf.max_iter = 40
a, cl, cd, cm = xf.aseq(-20, 20, 0.5)
import matplotlib.pyplot as plt
plt.plot(a, cl)
plt.show()
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