address comments

Author: songmeo

pycyphal/dsdl/_compiler.py

@@ -191,7 +191,6 @@ def compile(  # pylint: disable=redefined-builtin
             output_directory=output_directory,
         ) as lockfile:
             if lockfile:
-                # Generate code
                 assert isinstance(output_directory, pathlib.Path)
                 code_generator = nunavut.jinja.DSDLCodeGenerator(
                     namespace=root_ns,

pycyphal/dsdl/_lockfile.py

@@ -30,8 +30,7 @@ def __exit__(
         self, exc_type: type[BaseException] | None, exc_val: BaseException | None, exc_tb: TracebackType | None
     ) -> None:
         if self._lockfile is not None:
-            return self.remove()
-        return None
+            self.remove()
 
     def create(self) -> bool:
         """