Error running preprocessor, returned code: 1. Traceback (most recent call last): File "/sites/api.csswg.org/bikeshed/bikeshed.py", line 5, in bikeshed.main() File "/sites/api.csswg.org/bikeshed/bikeshed/__init__.py", line 126, in main config.doc.preprocess() File "/sites/api.csswg.org/bikeshed/bikeshed/__init__.py", line 1248, in preprocess self.md, self.lines = metadata.parse(self.lines) File "/sites/api.csswg.org/bikeshed/bikeshed/MetadataManager.py", line 355, in parse md.addData(lastKey, line.lstrip()) File "/sites/api.csswg.org/bikeshed/bikeshed/MetadataManager.py", line 110, in addData key = key.strip() AttributeError: 'NoneType' object has no attribute 'strip'
