Just the conjugation... It doesnt work correctly still

conjugation.py

def conjugation(self, vector):
        """Conjugation of vector by self.
        @param self unit quaternion.
        @param vector 3-vector, aka pure quaternion.
        @return pure quaternion of result: self *vector*self.
        """
        self.x,self.y,self.z = self.v
        Q = np.array([[self.w, -self.z, self.y, self.x],
                     [ self.z, self.w, -self.x, self.y],
                     [-self.y, self.x, self.w, self.z],
                     [-self.x,-self.y,-self.z,self.w]])
        Q_star = np.array([[self.w, -self.z, self.y, -self.x],
                     [ self.z, self.w, -self.x, -self.y],
                     [-self.y, self.x, self.w, -self.z],
                     [self.x,self.y,self.z,self.w]])
        return np.matmul(np.matmul(Q,Q_star),[*vector,0])[:3]