Problem while scraping home page of zh website

[benoit74]

See openzim/zim-requests#1234

All API calls before that (e.g. to retrieve list of guides) are ok. See e.g. https://farm.openzim.org/pipeline/cbec972f-b77a-44aa-8705-d3fd8ab0f39d

[MainThread::2024-12-20 01:24:02,319] INFO:Scraping home items (1 items remaining)
[MainThread::2024-12-20 01:24:02,319] INFO:  Scraping home 1 (0 items remaining)
[MainThread::2024-12-20 01:24:02,416] WARNING:Error while processing home 1
Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/ifixit2zim/scraper_generic.py", line 148, in scrape_items
    self.scrape_one_item(item_key, item_data)
  File "/usr/local/lib/python3.12/site-packages/ifixit2zim/scraper_generic.py", line 114, in scrape_one_item
    item_content = self.get_one_item_content(item_key, item_data)
                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/ifixit2zim/scraper_homepage.py", line 26, in get_one_item_content
    soup, _ = self.utils.get_soup("/Guide")
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/ifixit2zim/utils.py", line 101, in get_soup
    content, paths = self.fetch(path, **params)
                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/ifixit2zim/utils.py", line 79, in fetch
    resp.raise_for_status()
  File "/usr/local/lib/python3.12/site-packages/requests/models.py", line 1021, in raise_for_status
    raise HTTPError(http_error_msg, response=self)
requests.exceptions.HTTPError: 429 Client Error: Too Many Requests for url: https://zh.ifixit.com/Guide
[MainThread::2024-12-20 01:24:02,426] WARNING:Not supposed to add a redirect for a home item
[MainThread::2024-12-20 01:24:02,427] ERROR:Interrupting process due to error
Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/ifixit2zim/scraper.py", line 362, in run
    scraper.scrape_items()
  File "/usr/local/lib/python3.12/site-packages/ifixit2zim/scraper_generic.py", line 173, in scrape_items
    raise FinalScrapingFailureError(
ifixit2zim.exceptions.FinalScrapingFailureError: Too many homes failed to be processed: 1
[MainThread::2024-12-20 01:24:02,428] DEBUG:shutting down executor IMG-T- with wait=False
[MainThread::2024-12-20 01:24:02,428] INFO:Cleaning up
[MainThread::2024-12-20 01:24:02,428] DEBUG:Removing /output/ifixit_zh_6q4k5g7_

To be tested locally (I suspect we retry too fast, but I don't get why it fails in first attempt). Not sure available delays in configuration can help, tbc.