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src/trio/_tools/gen_exports.py

@@ -302,7 +302,7 @@ def process(files: Iterable[File], *, do_test: bool) -> None:
             print("Generated sources are up to date.")
     else:
         for new_path, new_source in new_files.items():
-            Path(new_path).write_text(new_source, encoding="utf-8", newline="\n")
+            Path(new_path).write_text(new_source, encoding="utf-8")
         print("Regenerated sources successfully.")
         if not matches_disk:
             # With pre-commit integration, show that we edited files.