Update block.py

block.py

@@ -15,6 +15,12 @@ class MyCustomBlock(ModularPipelineBlocks):
     
     Replace this with your implementation.
     """
+
+    @property
+    def description(self) -> str:
+        """Description of the block."""
+        return "A template custom block - replace with your description"
+
     
     @property
     def expected_components(self) -> List[ComponentSpec]: