Fix linting errors

vizro-core/changelog.d/20240102_095818_huong_li_nguyen_pre_commit_ci_update_config.md

@@ -0,0 +1,48 @@
+<!--
+A new scriv changelog fragment.
+
+Uncomment the section that is right (remove the HTML comment wrapper).
+-->
+
+<!--
+### Highlights ✨
+
+- A bullet item for the Highlights ✨ category with a link to the relevant PR at the end of your entry, e.g. Enable feature XXX ([#1](https://github.com/mckinsey/vizro/pull/1))
+
+-->
+<!--
+### Removed
+
+- A bullet item for the Removed category with a link to the relevant PR at the end of your entry, e.g. Enable feature XXX ([#1](https://github.com/mckinsey/vizro/pull/1))
+
+-->
+<!--
+### Added
+
+- A bullet item for the Added category with a link to the relevant PR at the end of your entry, e.g. Enable feature XXX ([#1](https://github.com/mckinsey/vizro/pull/1))
+
+-->
+<!--
+### Changed
+
+- A bullet item for the Changed category with a link to the relevant PR at the end of your entry, e.g. Enable feature XXX ([#1](https://github.com/mckinsey/vizro/pull/1))
+
+-->
+<!--
+### Deprecated
+
+- A bullet item for the Deprecated category with a link to the relevant PR at the end of your entry, e.g. Enable feature XXX ([#1](https://github.com/mckinsey/vizro/pull/1))
+
+-->
+<!--
+### Fixed
+
+- A bullet item for the Fixed category with a link to the relevant PR at the end of your entry, e.g. Enable feature XXX ([#1](https://github.com/mckinsey/vizro/pull/1))
+
+-->
+<!--
+### Security
+
+- A bullet item for the Security category with a link to the relevant PR at the end of your entry, e.g. Enable feature XXX ([#1](https://github.com/mckinsey/vizro/pull/1))
+
+-->

vizro-core/src/vizro/models/_base.py

@@ -71,7 +71,7 @@ def _is_discriminated_union(field):
             new_annotation = _add_to_discriminated_union(field.outer_type_)
         elif sub_field is not None and _is_discriminated_union(sub_field):
             # Field is a list of discriminated union e.g. components: List[ComponentType].
-            new_annotation = List[_add_to_discriminated_union(sub_field.outer_type_)]  # type: ignore[misc,index]
+            new_annotation = List[_add_to_discriminated_union(sub_field.outer_type_)]  # type: ignore[misc]
         else:
             raise ValueError(
                 f"Field '{field_name}' must be a discriminated union or list of discriminated union type. "