clone equality check of wrapped estimator fails for some types of parameters

[phausamann]

This is going to be a serious issue as of sklearn version 0.20 because clone will raise an exception. The only workaround is to use wrap with compat=True.

This seems to happen for tuples, lists and ndarrays, among others.

import numpy as np
from sklearn_xarray import wrap
from sklearn.base import clone
from sklearn.decomposition import DictionaryLearning

dl = wrap(DictionaryLearning(dict_init=np.ones((100, 100))))
clone(dl)