class_docstr: SpatialPath module of BiseNetV1 model
  
  Args:
      in_channels (int): The number of input channels in spatial path module.
      out_channels (int): The number of output channels in spatial path module.
class_docstr_tok: ["SpatialPath","module","of","BiseNetV1","model","Args",":","in_channels","(","int",")",":","The","number","of","input","channels","in","spatial","path","module",".","out_channels","(","int",")",":","The","number","of","output","channels","in","spatial","path","module","."]
code: def forward(self, x):
      x = self.conv_7x7(x)
      x = self.conv_3x3_1(x)
      x = self.conv_3x3_2(x)
      x = self.conv_1x1(x)
      return x
  
imports: import paddle
  import paddle.nn
  import paddle.nn.functional
  from paddleseg.cvlibs import manager
  from paddleseg.models import layers
  from paddleseg.utils import utils
label_desc: Use image node_id 2 for calling the SpatialPath obj's underlying member method code with example usage: obj.forward(x) and returns: x