update comments about `TypeForm` since it has been deferred to python… #2442

Job	Run time
Run tests (3.11.0)	19s
Run tests (3.9)	14s
Run tests (3.10)	20s
Run tests (3.9.12)	20s
Run tests (3.12)	15s
Run tests (3.10.4)	25s
Run tests (3.11)	16s
Run tests (3.14)	24s
Run tests (3.12.0)	24s
Run tests (3.13)	17s
Run tests (pypy3.11)	27s
Run tests (3.13.0)	20s
Run tests (pypy3.9)	27s
Run tests (pypy3.10)	26s
Create an issue if daily tests failed	0s
	4m 54s

Provide feedback