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Update clip.py

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Update base.py

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backend/nn/base.py

@@ -0,0 +1,25 @@
+import torch
+
+from diffusers.configuration_utils import ConfigMixin, register_to_config
+from torch import nn
+
+
+class ModuleDict(torch.nn.Module):
+    def __init__(self, module_dict):
+        super(ModuleDict, self).__init__()
+        for name, module in module_dict.items():
+            self.add_module(name, module)
+
+
+class ObjectDict:
+    def __init__(self, module_dict):
+        for name, module in module_dict.items():
+            setattr(self, name, module)
+
+
+class Dummy(nn.Module, ConfigMixin):
+    config_name = 'config.json'
+
+    @register_to_config
+    def __init__(self):
+        super().__init__()