scrapy OSError: could not get source code
https://stackoverflow.com/questions/61478001/scrapy-pyinstaller-oserror-could-not-get-source-code-twisted-internet-defer
File "/usr/local/python39/lib/python3.9/site-packages/scrapy/utils/defer.py", line 55, in mustbe_deferred result = f(*args, **kw) File "/usr/local/python39/lib/python3.9/site-packages/scrapy/core/spidermw.py", line 52, in _process_spider_input return scrape_func(response, request, spider) File "/usr/local/python39/lib/python3.9/site-packages/scrapy/core/scraper.py", line 149, in call_spider warn_on_generator_with_return_value(spider, callback) File "/usr/local/python39/lib/python3.9/site-packages/scrapy/utils/misc.py", line 246, in warn_on_generator_with_return_value if is_generator_with_return_value(callable): File "/usr/local/python39/lib/python3.9/site-packages/scrapy/utils/misc.py", line 229, in is_generator_with_return_value code = re.sub(r"^[\t ]+", "", inspect.getsource(callable)) File "/usr/local/python39/lib/python3.9/inspect.py", line 1024, in getsource lines, lnum = getsourcelines(object) File "/usr/local/python39/lib/python3.9/inspect.py", line 1006, in getsourcelines lines, lnum = findsource(object) File "/usr/local/python39/lib/python3.9/inspect.py", line 835, in findsource raise OSError('could not get source code') OSError: could not get source code