Fixed wrong type hints.

Added authors and changed package's email to a more general solution.
14 jobs for master in 112 minutes and 22 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Pretest
passed #638675
docker
flake8-lint

00:00:07

passed #638674
cuda docker
minimal-conda

00:00:21

passed #638673
AVX cuda11 docker
tests-and-coverage

00:44:21

 
  Test
passed #638679
AVX docker
arm64v8

00:05:40

passed #638681
AVX docker
arm64v9

00:09:18

passed #638685
docker
build-documentation

00:00:37

passed #638756
AVX docker
latest-python

00:50:32

passed #638683
cuda docker
minimal-sympy-master

00:00:43

passed #638677
win
minimal-windows

00:15:56

passed #638680
AVX docker
ppc64le

00:03:36

manual #638684
AVX cuda11 docker allowed to fail manual
pycodegen-integration
passed #638682
AVX docker
riscv64

00:03:39

passed #638678
AVX cuda11 docker
ubuntu

00:02:10

failed #638676
AVX docker
latest-python

00:56:35