shape mismatch while loading my pretrained model
Hi, 

I trained a corformer CTC BPE model with 8k wav data, but when I tried to load the model for decoding with 
`asr_model = nemo_asr.models.ASRModel.restore_from(nemo_model_file)` I got this shape mismatch error 
![image](https://user-images.githubusercontent.com/41187612/147249585-2c748058-b9b8-4cfc-bee6-0ef59574e5f4.png)
I don't want to train another model with 16k data, is there a way that I load this pretrained model please ?