src/transformers/models/cvt/modeling_cvt.py/CvtSelfAttentionConvProjection/__init__
class CvtSelfAttentionConvProjection:    def __init__(self, embed_dim, kernel_size, padding, stride):
        super().__init__()
        self.convolution = nn.Conv2d(
            embed_dim,
            embed_dim,
            kernel_size=kernel_size,
            padding=padding,
            stride=stride,
            bias=False,
            groups=embed_dim,
        )
        self.normalization = nn.BatchNorm2d(embed_dim)