add changes for ResNet block

spconv/__init__.py

@@ -23,7 +23,7 @@ from spconv.conv import SparseConvTranspose2d, SparseConvTranspose3d
 from spconv.conv import SparseInverseConv2d, SparseInverseConv3d
 from spconv.modules import SparseModule, SparseSequential
 from spconv.pool import SparseMaxPool2d, SparseMaxPool3d
-from spconv.tables import ConcatTable, JoinTable
+from spconv.tables import ConcatTable, JoinTable, AddTable
 from spconv.identity import Identity
 
 from spconv import ops

spconv/modules.py

@@ -125,6 +125,9 @@ class SparseSequential(SparseModule):
     def forward(self, input):
         for k, module in self._modules.items():
             if is_spconv_module(module):  # use SpConvTensor as input
+                if isinstance(input, list):
+                    input = module(input)
+                else:
                     assert isinstance(input, spconv.SparseConvTensor)
                     self._sparity_dict[k] = input.sparity
                     input = module(input)