in src/kernels/doc.py [0:0]
def generate_metadata(module: ModuleType) -> None:
metadata = getattr(module, "__kernel_metadata__", {})
if "tags" not in metadata:
metadata["tags"] = ["kernel"]
else:
if "kernel" not in metadata["tags"]:
metadata["tags"].append("kernel")
print("---")
print(yaml.dump(metadata), end="")
print("---")