If lastrun file is empty, caso fails

[alvarolopez]

2025-09-26 10:16:28.261 237617 INFO caso.extract.manager [-] Extracting records for project '2a7e2cd4b6dc4e609dd934964c1715c6'
2025-09-26 10:16:28.745 237617 ERROR caso.extract.manager [-] ERROR: Cannot read date from lastrun file '/var/spool/caso/lastrun.2a7e2cd4b6dc4e609dd934964c1715c6': dateutil.parser._parser.ParserError: String does not contain a date:
2025-09-26 10:16:28.746 237617 CRITICAL caso [-] Unhandled error: dateutil.parser._parser.ParserError: String does not contain a date:
2025-09-26 10:16:28.746 237617 ERROR caso Traceback (most recent call last):
2025-09-26 10:16:28.746 237617 ERROR caso   File "/usr/local/bin/caso-extract", line 8, in <module>
2025-09-26 10:16:28.746 237617 ERROR caso     sys.exit(main())
2025-09-26 10:16:28.746 237617 ERROR caso   File "/usr/local/lib/python3.10/dist-packages/caso/_cmd/extract.py", line 33, in main
2025-09-26 10:16:28.746 237617 ERROR caso     manager.run()
2025-09-26 10:16:28.746 237617 ERROR caso   File "/usr/local/lib/python3.10/dist-packages/caso/manager.py", line 123, in run
2025-09-26 10:16:28.746 237617 ERROR caso     return synchronized()
2025-09-26 10:16:28.746 237617 ERROR caso   File "/usr/local/lib/python3.10/dist-packages/oslo_concurrency/lockutils.py", line 412, in inner
2025-09-26 10:16:28.746 237617 ERROR caso     return f(*args, **kwargs)
2025-09-26 10:16:28.746 237617 ERROR caso   File "/usr/local/lib/python3.10/dist-packages/caso/manager.py", line 119, in synchronized
2025-09-26 10:16:28.746 237617 ERROR caso     records = self.extractor_manager.get_records()
2025-09-26 10:16:28.746 237617 ERROR caso   File "/usr/local/lib/python3.10/dist-packages/caso/extract/manager.py", line 256, in get_records
2025-09-26 10:16:28.746 237617 ERROR caso     extract_from = CONF.extract_from or self.get_lastrun(project)
2025-09-26 10:16:28.746 237617 ERROR caso   File "/usr/local/lib/python3.10/dist-packages/caso/extract/manager.py", line 141, in get_lastrun
2025-09-26 10:16:28.746 237617 ERROR caso     date = dateutil.parser.parse(date)
2025-09-26 10:16:28.746 237617 ERROR caso   File "/usr/local/lib/python3.10/dist-packages/dateutil/parser/_parser.py", line 1368, in parse
2025-09-26 10:16:28.746 237617 ERROR caso     return DEFAULTPARSER.parse(timestr, **kwargs)
2025-09-26 10:16:28.746 237617 ERROR caso   File "/usr/local/lib/python3.10/dist-packages/dateutil/parser/_parser.py", line 646, in parse
2025-09-26 10:16:28.746 237617 ERROR caso     raise ParserError("String does not contain a date: %s", timestr)
2025-09-26 10:16:28.746 237617 ERROR caso dateutil.parser._parser.ParserError: String does not contain a date:
2025-09-26 10:16:28.746 237617 ERROR caso