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问题：解决方法：conda list查看ipython kernal 和 ipython的版本号，如果版本号过低则进行更新pip install --upgrade ipykernelpip install --upgrade ipython如果还未解决pip install --user --ignore-installed jupyter我的问题已解决...

import numpy as npfrom sklearn.neighbors import NearestNeighborssamples = [[0, 0, 2], [1, 0, 0], [0, 0, 1]]detect = [[0, 0, 1.3], [1.1, 0, 0]]neigh = NearestNeighbors(n_neighbors=1)neigh.fit(samples)#NearestNeighbors(…)a,d = neigh.kneighbors(detect