Traceback (most recent call last): File "/home/runner/work/website/website/build_pipeline.py", line 57, in run parser.feed(raw) File "/opt/hostedtoolcache/Python/3.8.18/x64/lib/python3.8/html/parser.py", line 111, in feed self.goahead(0) File "/opt/hostedtoolcache/Python/3.8.18/x64/lib/python3.8/html/parser.py", line 171, in goahead k = self.parse_starttag(i) File "/opt/hostedtoolcache/Python/3.8.18/x64/lib/python3.8/html/parser.py", line 345, in parse_starttag self.handle_starttag(tag, attrs) File "/home/runner/work/website/website/html_parser.py", line 42, in handle_starttag buffer_to_use.append('"' + attr[1] + '"') TypeError: can only concatenate str (not "NoneType") to str