[json-files](https://github.com/UoMResearchIT/programming_with_python/blob/main/episodes/02-dictionaries.md#json-files) ``` with open('ro-crate-metadata-1.json') as f: data = json.load(f) ``` should be: ``` with open('data/ro-crate-metadata-1.json') as f: data = json.load(f) ```