[Fix] Lower lower-bound of pydantic (#993)

.pre-commit-config.yaml

@@ -58,10 +58,7 @@ repos:
       - id: mypy
         files: ^vizro-core/src/
         additional_dependencies:
-          # Deliberately pinned to <2 until we bump our pydantic requirement to strictly >=2.
-          # pydantic>=1.10.15 includes this fix which flags some genuine type problems. These will take a while to fix
-          # or ignore so for now we just pin to 1.10.14 which doesn't flag the problems.
-          # https://github.com/pydantic/pydantic/pull/8765
+          # Deliberately pinned to 2.9.0 (and not lower) as there are issues building the wheel for pydantic-core
           - pydantic==2.9.0
 
   - repo: https://github.com/awebdeveloper/pre-commit-stylelint

vizro-core/changelog.d/20250205_101357_maximilian_schulz.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
+
+- Adjust the lower bound of pydantic to `2.7.0` so that Vizro can run on pyodide. ([#993](https://github.com/mckinsey/vizro/pull/993))
+
+
+<!--
+### 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/hatch.toml

@@ -129,7 +129,7 @@ VIZRO_LOG_LEVEL = "DEBUG"
 
 [envs.lower-bounds]
 extra-dependencies = [
-  "pydantic==2.9.0",
+  "pydantic==2.7.0",
   "dash==2.18.0",
   "plotly==5.24.0",
   "pandas==2.0.0",

vizro-core/pyproject.toml

@@ -20,7 +20,7 @@ dependencies = [
   "dash-ag-grid>=31.0.0",
   "pandas>=2",
   "plotly>=5.24.0",
-  "pydantic>=2.9.0",  # must be synced with pre-commit mypy hook manually
+  "pydantic>=2.7.0",  # must be <= the version in pre-commit mypy hook, sync manually
   "dash_mantine_components~=0.15.1",
   "flask_caching>=2",
   "wrapt>=1",