TypeError: expected string or buffer

[liu697]

Traceback (most recent call last):
File "main.py", line 88, in
main(args)
File "main.py", line 72, in main
outline_with_description, outline_wo_description = write_outline(args.topic, args.model, args.section_num, args.outline_reference_num, db, args.api_key, args.api_url)
File "main.py", line 33, in write_outline
outline = outline_writer.draft_outline(topic, outline_reference_num, 30000, section_num)
File "/data/user20300129/AutoSurvey/src/agents/outline_writer.py", line 34, in draft_outline
outlines = self.generate_rough_outlines(topic=topic, papers_chunks = abs_chunks, titles_chunks = titles_chunks, section_num=section_num)
File "/data/user20300129/AutoSurvey/src/agents/outline_writer.py", line 113, in generate_rough_outlines
self.output_token_usage += self.token_counter.num_tokens_from_list_string(outlines)
File "/data/user20300129/AutoSurvey/src/utils.py", line 24, in num_tokens_from_list_string
num += len(self.encoding.encode(s))
File "/data/user20300129/.conda/envs/AutoSurvey/lib/python3.8/site-packages/tiktoken/core.py", line 116, in encode
if match := _special_token_regex(disallowed_special).search(text):
TypeError: expected string or buffer
Has anyone encountered this situation before? How can it be resolved?

[GuoQi2000]

This situation occurs when the API call returns None. You can refer to issue #5 for possible solutions.