chore: update pre-commit hooks (#237)

* chore: update pre-commit hooks

updates:
- [github.com/psf/black: 24.4.0 → 24.4.2](psf/black@24.4.0...24.4.2)
- [github.com/astral-sh/ruff-pre-commit: v0.4.1 → v0.4.10](astral-sh/ruff-pre-commit@v0.4.1...v0.4.10)
- [github.com/pre-commit/mirrors-mypy: v1.9.0 → v1.10.0](pre-commit/mirrors-mypy@v1.9.0...v1.10.0)
- [github.com/codespell-project/codespell: v2.2.6 → v2.3.0](codespell-project/codespell@v2.2.6...v2.3.0)

* style: pre-commit fixes

* chore: update pre-commit hooks

updates:
- [github.com/psf/black: 24.4.2 → 24.8.0](psf/black@24.4.2...24.8.0)
- [github.com/astral-sh/ruff-pre-commit: v0.5.0 → v0.5.6](astral-sh/ruff-pre-commit@v0.5.0...v0.5.6)
- [github.com/pre-commit/mirrors-mypy: v1.10.1 → v1.11.1](pre-commit/mirrors-mypy@v1.10.1...v1.11.1)

* Fix is None pre-commit check

* test revert

* test is instead of equality

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Connor Stone <connorstone628@gmail.com>

.pre-commit-config.yaml

@@ -9,7 +9,7 @@ ci:
 
 repos:
   - repo: https://github.com/psf/black
-    rev: "24.4.2"
+    rev: "24.8.0"
     hooks:
       - id: black-jupyter
 
@@ -51,13 +51,13 @@ repos:
         args: [--prose-wrap=always]
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: "v0.5.0"
+    rev: "v0.5.6"
     hooks:
       - id: ruff
         args: ["--fix", "--show-fixes"]
 
   - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: "v1.10.1"
+    rev: "v1.11.1"
     hooks:
       - id: mypy
         files: src

src/caustics/models/utils.py

@@ -150,7 +150,7 @@ def _init_kwargs_field_check(cls, v, info: ValidationInfo):
             field_name = info.field_name
             field = cls.model_fields[field_name]
             anno_args = typing.get_args(field.annotation)
-            if len(anno_args) == 2 and anno_args[1] == type(None):
+            if len(anno_args) == 2 and anno_args[1] is type(None):
                 # This means that the anno is optional
                 expected_type = next(
                     filter(lambda x: x is not None, typing.get_args(field.annotation))