diff --git a/include/numpy_utils.h b/include/numpy_utils.h
index a788f81..60cf77e 100644
--- a/include/numpy_utils.h
+++ b/include/numpy_utils.h
@@ -114,7 +114,7 @@
     template <typename D, typename S>
     static void copyBufferByElement(D* dest_buf, S* src_buf, int num)
     {
-        static_assert(sizeof(D) >= sizeof(S));
+        static_assert(sizeof(D) >= sizeof(S), "The size of dest_buf must be equal to or larger than that of src_buf");
         for (int i = 0; i < num; ++i)
         {
             dest_buf[i] = src_buf[i];
diff --git a/python/serializer/tosa_serializer.py b/python/serializer/tosa_serializer.py
index cd31624..1f6d26e 100644
--- a/python/serializer/tosa_serializer.py
+++ b/python/serializer/tosa_serializer.py
@@ -711,7 +711,13 @@
         return tens
 
     def addInputTensor(self, tensor):
-        self.currBasicBlock.addTensor(tensor.name, tensor.shape, tensor.dtype, tensor.data, tensor.placeholderFilename)
+        self.currBasicBlock.addTensor(
+            tensor.name,
+            tensor.shape,
+            tensor.dtype,
+            tensor.data,
+            tensor.placeholderFilename,
+        )
         self.currBasicBlock.addInput(tensor.name)
 
     def addOutputTensor(self, tensor):