class_docstr: 3D convolutions without temporal dimension for MCx (1x3x3 kernel)
code: def get_downsample_stride(stride):
      return 1, stride, stride
  
imports: import torch.nn
  from torch.hub import load_state_dict_from_url
label_desc: Use image node_id 2 for calling the Conv3DNoTemporal obj's underlying member method code with example usage: obj.get_downsample_stride(stride) and returns: int,  stride,  stride