import sys
sys.path.append('..')
from optimizer import SGD
from trainer import Trainer
import numpy as np
from two_layer_net import TwoLayerNet

max_epoch = 4395
batch_size = 500
hidden_size = 2000
learning_rate = 1.0

x,t = np.genfromtxt(fname="1ghdenn.csv",encoding='UTF-8',dtype=None,delimiter='\t')
model = TwoLayerNet(input_size = 4395,hidden_size = hidden_size,output_size = 24)
optimizer = SGD(lr = learning_rate)

trainer = Trainer(model,optimizer)
trainer.fit(x,t,max_epoch,batch_size,eval_interval = 10)
trainer.plot()

このコードを打つとタイトルのようなエラーが出てきます。
どなたか解決法をご教授願います。