make sure codegen doesn't cause spurious diffs for no reason

Author: ashwinb

llama_stack/scripts/distro_codegen.py

@@ -103,7 +103,7 @@ def generate_dependencies_file():
 
     deps_file = REPO_ROOT / "distributions" / "dependencies.json"
     with open(deps_file, "w") as f:
-        json.dump(distribution_deps, f, indent=2)
+        f.write(json.dumps(distribution_deps, indent=2) + "\n")
 
 
 def main():

llama_stack/templates/template.py

@@ -161,4 +161,4 @@ def save_distribution(self, yaml_output_dir: Path, doc_output_dir: Path) -> None
 
         docs = self.generate_markdown_docs()
         with open(doc_output_dir / f"{self.name}.md", "w") as f:
-            f.write(docs)
+            f.write(docs if docs.endswith("\n") else docs + "\n")