Test

docs: Fix representation of serializer #593

# to view logs

Job	Run time
Python 3.8 / dj32	38s
Python 3.8 / dj42	54s
Python 3.9 / dj32	39s
Python 3.9 / dj42	41s
Python 3.10 / dj32	49s
Python 3.10 / dj42	38s
Python 3.10 / dj50	44s
Python 3.11 / dj32	38s
Python 3.11 / dj42	37s
Python 3.11 / dj50	38s
Python 3.12 / dj32	54s
Python 3.12 / dj42	43s
Python 3.12 / dj50	43s
Python 3.10 / djmain	50s
Python 3.11 / djmain	47s
Python 3.12 / djmain	51s
Indicate completion to coveralls.io	6s
	11m 50s

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