[Python] Python Numpy TypeError: ufunc 'isfinite' not supported for the input types

Here's my code:

def topK(dataMat,sensitivity):
meanVals = np.mean(dataMat, axis=0)
meanRemoved = dataMat - meanVals
covMat = np.cov(meanRemoved, rowvar=0)
eigVals,eigVects = np.linalg.eig(np.mat(covMat))


I get the error in the title on the last line above. I suspect it has something to do with the datatype, so, here's an image of the variable and datatype from the Variable Explorer in Spyder:



I've tried changing np.linalg.eig(np.mat(covMat)) to np.linalg.eig(np.array(np.mat(covMat))) and to np.linalg.eig(np.array(covMat)), nothing works. Any ideas?

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