NPA-4334: revert to 3.12 again

Author: LeoKHoward

.github/workflows/continuous-integration.yml

@@ -12,10 +12,10 @@ jobs:
         with:
           fetch-depth: 0  # This causes all history to be fetched, which is required for calculate-version to function
 
-      - name: Install Python 3.13
+      - name: Install Python 3.12
         uses: actions/setup-python@v5
         with:
-          python-version: 3.13
+          python-version: 3.12
 
       - name: Upgrade python pip
         run: python -m pip install --upgrade pip

.github/workflows/openapi-validate.yml

@@ -15,7 +15,7 @@ jobs:
             - name: Set up Python
               uses: actions/setup-python@v5
               with:
-                  python-version: 3.13
+                  python-version: 3.12
 
             -   name: Install system dependencies (for lxml)
                 run: |
@@ -46,7 +46,7 @@ jobs:
             - name: Set up Python
               uses: actions/setup-python@v5
               with:
-                  python-version: 3.13
+                  python-version: 3.12
 
             - name: Install Poetry
               shell: bash
@@ -72,7 +72,7 @@ jobs:
             - name: Set up Python
               uses: actions/setup-python@v5
               with:
-                  python-version: 3.13
+                  python-version: 3.12
 
             - name: Install Poetry
               shell: bash
@@ -98,7 +98,7 @@ jobs:
             - name: Set up Python
               uses: actions/setup-python@v5
               with:
-                  python-version: 3.13
+                  python-version: 3.12
 
             - name: Install Poetry
               shell: bash
@@ -124,7 +124,7 @@ jobs:
             - name: Set up Python
               uses: actions/setup-python@v5
               with:
-                  python-version: 3.13
+                  python-version: 3.12
 
             - name: Install Poetry
               shell: bash
@@ -150,7 +150,7 @@ jobs:
             - name: Set up Python
               uses: actions/setup-python@v5
               with:
-                  python-version: 3.13
+                  python-version: 3.12
 
             - name: Install Poetry
               shell: bash
@@ -173,7 +173,7 @@ jobs:
             - name: Set up Python
               uses: actions/setup-python@v5
               with:
-                  python-version: 3.13
+                  python-version: 3.12
 
             - name: Install Poetry
               shell: bash

.github/workflows/sandbox-checks.yaml

@@ -10,7 +10,7 @@ jobs:
         run: pipx install poetry
       - uses: actions/setup-python@v5
         with:
-          python-version: '3.13'
+          python-version: '3.12'
           cache: 'poetry'
       - name: Install Sandbox dependencies
         run: make install

Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.13
+FROM python:3.12
 
 COPY ./specification/examples/responses /sandbox/api/examples
 COPY ./sandbox /sandbox

poetry.lock

@@ -12,7 +12,7 @@ homepage = "https://digital.nhs.uk/developer/api-catalogue"
 keywords = ["healthcare", "uk", "nhs"] #TODO add additional keywords
 
 [tool.poetry.dependencies]
-python = "^3.13"
+python = "^3.12"
 
 [tool.poetry.group.ci.dependencies]
 flake8 = "^7.2.0"

pyproject.toml

@@ -6,7 +6,7 @@ authors = []
 package-mode = false
 
 [tool.poetry.dependencies]
-python = "^3.13"
+python = "^3.12"
 gunicorn = "^22.0.0"
 flask = "^3.0.2"
 pyyaml = "^6.0.2"