appease the Hound

Author: boegel

easybuild/tools/filetools.py

@@ -499,7 +499,7 @@ def pypi_source_urls(pkg_name):
 
         # strip out data-yanked attributes before parsing HTML
         # see https://github.com/easybuilders/easybuild-framework/issues/3301
-        urls_txt = re.sub('\s*data-yanked', '', urls_txt)
+        urls_txt = re.sub(r'\s*data-yanked', '', urls_txt)
 
         parsed_html = ElementTree.ElementTree(ElementTree.fromstring(urls_txt))
         if hasattr(parsed_html, 'iter'):