ValueError: Failed to convert a NumPy array to a Tensor (Unsupported object type list).

The solution for this is noted below

ValueError: Failed to convert a NumPy array to a Tensor (Unsupported object type list).

Solution

x_train = np.asarray(x_train).astype(np.float32)
y_train = np.asarray(y_train).astype(np.float32)

Try other methods by searching on the site. That is if this doesn’t work