add comment and static decorator (#60)

mmdeploy/codebase/base/mmcodebase.py

@@ -105,6 +105,9 @@ class MMCodebase(metaclass=ABCMeta):
         pass
 
 
+# Note that the build function returns the class instead of its instance.
+
+
 def __build_codebase_class(codebase: Codebase, registry: Registry):
     return registry.module_dict[codebase.value]
 

mmdeploy/codebase/mmcls/deploy/mmclassification.py

@@ -71,6 +71,7 @@ class MMClassification(MMCodebase):
 
         return dataset
 
+    @staticmethod
     def build_dataloader(dataset: Dataset,
                          samples_per_gpu: int,
                          workers_per_gpu: int,