Fix #180

[PhilipVinc]

Only use typing extensions if truly needed.
We should eventually add a CI test without all the de dependencies, because they probably bring in typing extensions in other versions....

[PhilipVinc]

@wesselb want to tag a minor or patch version? Technically should be minor because we deprecated Val...

[coveralls]

Pull Request Test Coverage Report for Build 9741493491

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 2 of 2 (100.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 99.92%

---

Totals
Change from base Build 9723266109:	0.0%
Covered Lines:	1254
Relevant Lines:	1255

---

💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 9741510339

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 1 of 1 (100.0%) changed or added relevant line in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 99.92%

---

Totals
Change from base Build 9723266109:	0.0%
Covered Lines:	1254
Relevant Lines:	1255

---

💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 9741498270

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 2 of 2 (100.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 99.92%

---

Totals
Change from base Build 9723266109:	0.0%
Covered Lines:	1254
Relevant Lines:	1255

---

💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 9741543209

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 1 of 1 (100.0%) changed or added relevant line in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 99.92%

---

Totals
Change from base Build 9723266109:	0.0%
Covered Lines:	1254
Relevant Lines:	1255

---

💛 - Coveralls

[wesselb]

@PhilipVinc Let's release a minor version. Will do right away!

[wesselb]

Thanks for being on top of this!!