KeyError : ' '

[livekeys]

CRNN( (cnn): Sequential( (conv0): Conv2d(1, 64, kernel_size=(3, 3), stride=(1, 1), padding=(1, 1)) (relu0): ReLU(inplace=True) (pooling0): MaxPool2d(kernel_size=2, stride=2, padding=0, dilation=1, ceil_mode=False) (conv1): Conv2d(64, 128, kernel_size=(3, 3), stride=(1, 1), padding=(1, 1)) (relu1): ReLU(inplace=True) (pooling1): MaxPool2d(kernel_size=2, stride=2, padding=0, dilation=1, ceil_mode=False) (conv2): Conv2d(128, 256, kernel_size=(3, 3), stride=(1, 1), padding=(1, 1)) (batchnorm2): BatchNorm2d(256, eps=1e-05, momentum=0.1, affine=True, track_running_stats=True) (relu2): ReLU(inplace=True) (conv3): Conv2d(256, 256, kernel_size=(3, 3), stride=(1, 1), padding=(1, 1)) (relu3): ReLU(inplace=True) (pooling2): MaxPool2d(kernel_size=(2, 2), stride=(2, 1), padding=(0, 1), dilation=1, ceil_mode=False) (conv4): Conv2d(256, 512, kernel_size=(3, 3), stride=(1, 1), padding=(1, 1)) (batchnorm4): BatchNorm2d(512, eps=1e-05, momentum=0.1, affine=True, track_running_stats=True) (relu4): ReLU(inplace=True) (conv5): Conv2d(512, 512, kernel_size=(3, 3), stride=(1, 1), padding=(1, 1)) (relu5): ReLU(inplace=True) (pooling3): MaxPool2d(kernel_size=(2, 2), stride=(2, 1), padding=(0, 1), dilation=1, ceil_mode=False) (conv6): Conv2d(512, 512, kernel_size=(2, 2), stride=(1, 1)) (batchnorm6): BatchNorm2d(512, eps=1e-05, momentum=0.1, affine=True, track_running_stats=True) (relu6): ReLU(inplace=True) ) (rnn): Sequential( (0): BidirectionalLSTM( (rnn): LSTM(512, 256, bidirectional=True) (embedding): Linear(in_features=512, out_features=256, bias=True) ) (1): BidirectionalLSTM( (rnn): LSTM(256, 256, bidirectional=True) (embedding): Linear(in_features=512, out_features=1001, bias=True) ) ) ) Traceback (most recent call last): File "train.py", line 254, in cost = train(crnn, criterion, optimizer, train_iter) File "train.py", line 235, in train t, l = converter.encode(cpu_texts) File "C:\Users\Ja_Cuity\Downloads\crnn-pytorch-lw\utils.py", line 50, in encode index = self.dict[char] KeyError: ' '

有遇到这个问题的么，什么原因

[Holmeyoung]

label里的字符在alphabets.py里没出现。