Traceback (most recent call last):
File "/usr/src/project/app/tasks.py", line 44, in create_task
updated_check = check(parse(original_filepath, pdf_filepath), check_obj)
File "/usr/src/project/app/main/checker.py", line 21, in check
result, score, is_passed = pack.check()
File "/usr/src/project/app/main/check_packs/base_criterion_pack.py", line 23, in check
criterion_check_result = criterion.check()
File "/usr/src/project/app/main/checks/report_checks/literature_references.py", line 45, in check
references = self.search_references(start_literature_par)
File "/usr/src/project/app/main/checks/report_checks/literature_references.py", line 84, in search_references
array_of_references.add(int(one_part))
ValueError: invalid literal for int() with base 10: ' 5-8'