GitHub the default from date (1970-01-01) is not working #865
Description
Perceval cannot fetch data using the default from date, but it works since 1970-01-01T08:00:00. I think this error comes from the GitHub API.
1970-01-01T00:00:00+00:00empty list https://api.github.com/repos/chaoss/grimoirelab-core/issues?state=all&per_page=100&direction=asc&sort=updated&since=1970-01-01T00%3A00%3A00%2B00%3A001970-01-01T08:00:00+00:00works https://api.github.com/repos/chaoss/grimoirelab-core/issues?state=all&per_page=100&direction=asc&sort=updated&since=1970-01-01T08%3A00%3A00%2B00%3A00
Examples of the executions:
- default or
1970-01-01T00:00:00
$ perceval github chaoss grimoirelab-core -t *** > /dev/null
[2025-04-25 13:58:49,643] - Sir Perceval is on his quest.
[2025-04-25 13:58:50,142] - Summary of results
Total items: 0
Items produced: 0
Items skipped: 0
Last item UUID: -
Last item date: -
Min. item date: -
Max. item date: -
Min. offset: - Max. offset: - Last offset: -
[2025-04-25 13:58:50,143] - Sir Perceval completed his quest.
$ perceval github chaoss grimoirelab-core -t *** --from-date 1970-01-01T00:00:00 > /dev/null
[2025-04-25 13:58:43,918] - Sir Perceval is on his quest.
[2025-04-25 13:58:44,386] - Summary of results
Total items: 0
Items produced: 0
Items skipped: 0
Last item UUID: -
Last item date: -
Min. item date: -
Max. item date: -
Min. offset: - Max. offset: - Last offset: -
[2025-04-25 13:58:44,389] - Sir Perceval completed his quest.
1970-01-01T08:00:00
$ perceval github chaoss grimoirelab-core -t *** --from-date 1970-01-01T08:00:00 > /dev/null
[2025-04-25 13:58:30,716] - Sir Perceval is on his quest.
[2025-04-25 13:58:35,533] - Summary of results
Total items: 50
Items produced: 50
Items skipped: 0
Last item UUID: 1bad5e7589efa3632f48cb88e74a866926894c04
Last item date: 2025-04-25 07:56:50+00:00
Min. item date: 2024-01-09 11:26:26+00:00
Max. item date: 2025-04-25 07:56:50+00:00
Min. offset: - Max. offset: - Last offset: -
[2025-04-25 13:58:35,535] - Sir Perceval completed his quest.