from sklearn.model_selection import train_test_split from data_preparing import features, targets from data_preparing import le # splitting data into training and testing datasets X_train, X_val, y_train, y_val = train_test_split(features, targets, test_size=0.2, random_state=2007) X_train = X_train.toarray() X_val = X_val.toarray() input_size = X_train.shape[1] num_classes = len(le.classes_)