Fix extra line in Zenodo cache script

QuLogic · ksunden · commit cf6f76d1e706 · 2023-01-26T17:48:23.000-06:00
Every run of the script adds an extra newline at the end.
diff --git a/tools/cache_zenodo_svg.py b/tools/cache_zenodo_svg.py
@@ -125,7 +125,7 @@ def _get_xdg_cache_dir():
                 target = None
             if ln.strip() == ".. END OF AUTOGENERATED":
                 target = footer
-                target.append(ln)
+                target.append(ln.rstrip())
 
     with open(citing, "w") as fout:
         fout.write("\n".join(header))
