oh it's trying to use relative

Author: Daltz333

source/_extensions/pwa_service.py

@@ -48,9 +48,9 @@ def get_files_to_cache(outDir: str, config: Dict[str, Any]):
                 # Grab root url from canonical url
                 url = parse_result.netloc
 
-                # enables RTD multilanguage support
+                # enables RTD multilanguage support 
                 if os.getenv("READTHEDOCS"):
-                    url = url + "/" + os.getenv("READTHEDOCS_LANGUAGE") + "/" + os.getenv("READTHEDOCS_VERSION") + "/"
+                    url = "https://" + url + "/" + os.getenv("READTHEDOCS_LANGUAGE") + "/" + os.getenv("READTHEDOCS_VERSION") + "/"
 
             if config["html_baseurl"] is None and not os.getenv("CI"):
                 logger.warning(