def clean_channel(self):
            if self.cleaned_data in 'channel_name':
                token = self.cleaned_data['channel_name']
                return token 
            raise forms.ValidationError('Please enter a valid token')
dataset/ETHPy150Open neurodata/ndstore/django/ocpuser/forms.py/ChannelForm.Meta.clean_channel/swapped operands of `in`