* Fixed typo in `batch_load_fn` TypeError
* Removed `None` default value for `key` arg in
`DataLoader.load()`
* Removed Python 3.6 as a supported target version
- update to 0.3.0:
* Adds typing
* Drops support for Python<3.6
* Adds support for overriding `get_cache_key` in subclasses
* Improves README.md and removes README.rst
OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-aiodataloader?expand=0&rev=7