return_dict error

I am constantly getting this error Traceback (most recent call last): File "D:\BRIGHTQUERY\FDD_PROCESSOR\fddprocessor.py", line 38, in <module> doc = pdf_reader.read_pdf(pdf_file) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "D:\BRIGHTQUERY\FDD_PROCESSOR\.venv\Lib\site-packages\llmsherpa\readers\file_reader.py", line 73, in read_pdf blocks = response_json['return_dict']['result']['blocks'] ~~~~~~~~~~~~~^^^^^^^^^^^^^^^ KeyError: 'return_dict'