self._y = y.reshape(-1,)

[jckkvs]

for compatibility of sklearn scaler

X,y = load_diabetes(return_X_y=True)
y_scaler = StandardScaler()
y = y_scaler.fit_transform(y.reshape(-1,1))# .reshape(-1,)
selector = ReliefF()
selector.fit(X,y)

TypeError: unhashable type: 'numpy.ndarray'