RuntimeError: Given groups=1, weight of size [64, 3, 7, 7], expected input[3, 1, 224, 224] to have 3 channels, but got 1 channels instead

vision
31

solved here RuntimeError: Found dtype Double but expected Float Exception raised from compute_types at /opt/conda/conda-bld/pytorch_1595629403081/work/aten/src/ATen/native/TensorIterator.cpp:183