Fix CI pipeline by using runner ubuntu-22.04 - cf. #1333 (#1335)

Author: Lucas-C

.github/workflows/continuous-integration-workflow.yml

@@ -34,7 +34,9 @@ jobs:
           scripts/pdfchecker.py --process-all-test-pdf-files
           scripts/pdfchecker.py --print-aggregated-report
   lint:
-    runs-on: ubuntu-latest
+    # Note: there is currently an issue with ubuntu-latest==ubuntu-24.04 / OpenSSL 3.0.13 / oscrypto:
+    # https://github.com/py-pdf/fpdf2/issues/1333
+    runs-on: ubuntu-22.04
     steps:
       - name: Checkout 🛎️
         uses: actions/checkout@v4
@@ -73,7 +75,7 @@ jobs:
     strategy:
       matrix:
         python-version: ['3.8', '3.9', '3.10', '3.11', '3.12', '3.13']
-        platform: [ubuntu-latest, windows-latest]
+        platform: [ubuntu-22.04, windows-latest]
     runs-on: ${{ matrix.platform }}
     steps:
       - name: Checkout 🛎️
@@ -83,12 +85,12 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install system dependencies ⚙️
-        if: matrix.platform == 'ubuntu-latest'
+        if: ${{ startsWith(matrix.platform, 'ubuntu') }}
         # Ghostscript is needed for test/table/test_table_extraction.py
         run: sudo apt-get update --allow-releaseinfo-change && sudo apt-get install ghostscript
       - name: Install qpdf ⚙️
         # We run the unit tests WITHOUT qpdf for a single parallel execution / Python version:
-        if: matrix.platform == 'ubuntu-latest' && matrix.python-version != '3.13'
+        if: ${{ startsWith(matrix.platform, 'ubuntu') && matrix.python-version != '3.13' }}
         run: sudo apt-get update --allow-releaseinfo-change && sudo apt-get install qpdf
       - name: Install Python dependencies ⚙️
         run: |
@@ -105,10 +107,10 @@ jobs:
           pytest -vv --trace-memory-usage
       - name: Upload coverage report to codecov.io ☑
         # We only upload coverage ONCE, for a single parallel execution / Python version:
-        if: matrix.platform == 'ubuntu-latest' && matrix.python-version == '3.13'
+        if: ${{ startsWith(matrix.platform, 'ubuntu') && matrix.python-version == '3.13' }}
         run: bash <(curl -s https://codecov.io/bash)
       - name: Run tests with the minimal versions of fpdf2 direct dependencies ☑
-        if: matrix.platform == 'ubuntu-latest' && matrix.python-version == '3.8'
+        if: ${{ startsWith(matrix.platform, 'ubuntu') && matrix.python-version == '3.8' }}
         run: |
           # Ensuring that those minimal versions remain compatible:
           sed -i '/install_requires/,/\n/s/>=/==/' setup.cfg

fpdf/drawing.py

@@ -9,9 +9,6 @@
 import copy, decimal, math, re
 from collections import OrderedDict
 
-# disable import error temporarily until pylint fixed colections.abc issue with python 3.13
-# https://github.com/pylint-dev/pylint/issues/10112
-# pylint: disable=import-error
 from collections.abc import Sequence
 from contextlib import contextmanager
 from typing import Optional, NamedTuple, Union