Bug where the .bib file is missing both a 'doi' and 'url' entry

Getting this error:

Error with reference bryant2017trends {'ENTRYTYPE': 'article', 'ID': 'bryant2017trends', 'author': 'Bryant, Alex K and Banegas, Matthew P and Martinez, Maria Elena ' 'and Mell, Loren K and Murphy, James D', 'date-added': '2023-03-30 14:35:59 -0400', 'date-modified': '2023-03-30 14:35:59 -0400', 'journal': 'Cancer Epidemiology, Biomarkers & Prevention', 'number': '6', 'pages': '963--970', 'publisher': 'AACR', 'title': 'Trends in Radiation Therapy among Cancer Survivors in the United ' 'States, 2000--2030Radiation Therapy in Cancer Survivors', 'volume': '26', 'year': '2017'} Traceback (most recent call last): File "/opt/homebrew/bin/bibtex2docs.py", line 525, in replace_references(args.DOCUMENT_ID, args.BIBTEX.name, File "/opt/homebrew/bin/bibtex2docs.py", line 334, in replace_references references = read_references(bibtex_file) File "/opt/homebrew/bin/bibtex2docs.py", line 153, in read_references raise ex File "/opt/homebrew/bin/bibtex2docs.py", line 139, in read_references doi = ' doi:%s '%e['doi'] if 'doi' in e else ' %s '%e['url'] KeyError: 'url'