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fdd2dc9651
* python-asyncio: update retry factors for actual exponential retries
As per the `aiohttp-retry` library's code[^1], the timeout is
```python
timeout = self._start_timeout * (self._factor ** attempt)
```
This means the previous setting with "start_timeout=0.0" would have
always just retried right away (0 timeout) regardless of the "factor" value,
and also, "factor=0.0" would never have increased the timeout, rather it
would have resulted in a 0 timeout regardless of the value of "start_timeout".
This double-zeroing effectively rendered exponential backoff to nothing (rather than
"retries" number of retries in quick succession.
The update is a quick fix to set the same default as in `aiohttp-retry`. In
the future this should likely be configurable (through extra Configuration settings perhaps?),
as not all APIs are created equal, but this works as a quick fix for making retries more effective.
[^1]: ba2169891f/aiohttp_retry/retry_options.py (L38-L65)
* updated example