fix: Revert type annotations to Optional[X] for Python 3.9 compatibility

- Revert X | None to Optional[X] for Pydantic and Typer compatibility
- Add eval-type-backport dependency for Pydantic support
- Update ruff config to ignore UP007 rule
- Fix mypy errors in tests by adding null checks
- All tests now pass

Author: github-actions

.github/.releaserc.json

@@ -14,4 +14,3 @@
     "@semantic-release/git"
   ]
 }
-

.github/actions/setup-python-uv/action.yml

@@ -32,4 +32,3 @@ runs:
         else
           uv sync --group dev
         fi
-

.github/release_notes.md

@@ -6,7 +6,7 @@
 - **Raw Input Preservation**: Added RawInput field to Address model to capture original input strings
 - **Automated Releases**: Reinstated GitHub Actions release workflow with semantic-release for automated versioning and releases
 
-## Fixes  
+## Fixes
 - **Pandas Integration**: Fixed validation error handling in pandas integration methods when `errors='coerce'` is used
 - **Workflow Issues**: Resolved GitHub Actions workflow failures and cache problems
 - **Import Compatibility**: Cleaned up imports for Python 3.9+ compatibility

.pre-commit-config.yaml

@@ -0,0 +1,26 @@
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v5.0.0
+    hooks:
+      - id: trailing-whitespace
+      - id: end-of-file-fixer
+      - id: check-yaml
+      - id: check-added-large-files
+
+  - repo: https://github.com/astral-sh/ruff-pre-commit
+    rev: v0.8.2
+    hooks:
+      - id: ruff
+        args: [--fix]
+      - id: ruff-format
+
+  - repo: https://github.com/pre-commit/mirrors-mypy
+    rev: v1.13.0
+    hooks:
+      - id: mypy
+        additional_dependencies: [
+          'pydantic>=2.0.0',
+          'types-requests',
+          'typing-extensions'
+        ]
+        args: [--ignore-missing-imports]

.releaserc.json

@@ -14,4 +14,3 @@
     "@semantic-release/git"
   ]
 }
-

Dockerfile

@@ -36,4 +36,3 @@ HEALTHCHECK --interval=30s --timeout=5s --start-period=20s --retries=3 CMD curl
 
 # Default to serving the FastAPI app; override command for ad-hoc usage
 CMD ["uvicorn", "ryandata_address_utils.api:app", "--host", "0.0.0.0", "--port", "8000"]
-

LICENSE

@@ -19,12 +19,3 @@ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.
-
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