* Empty string is a valid JSON-key
Signed-off-by: Sergey Tsaplin <me@sergeytsaplin.com>
* Update changes/4253-sergeytsaplin.md
Co-authored-by: Samuel Colvin <samcolvin@gmail.com>
* has_alias attribute of the ModelField also should be a result of comparison with None
Signed-off-by: Sergey Tsaplin <me@sergeytsaplin.com>
Co-authored-by: Samuel Colvin <samcolvin@gmail.com>