update CI

.appveyor.yml

@@ -33,6 +33,7 @@ for:
   install:
   - if "%PY_PYTHON%"=="3.11" vcpkg install zlib-ng:x64-windows-static
   - if "%PY_PYTHON%"=="3.10" vcpkg install zlib:x64-windows-static
+  - if "%PY_PYTHON%"=="3.10" py -m pip install typing_extensions
   build_script:
   - path
   - cmake --version

.github/workflows/ci.yml

@@ -78,7 +78,8 @@ jobs:
     - uses: actions/checkout@v4
     - uses: actions/setup-python@v5
       with:
-        python-version: "3.10"
+        python-version: "3.13"
+        allow-prereleases: true
     - name: build and test
       run: |
         python -m pip install -v .
@@ -126,6 +127,7 @@ jobs:
       run: |
         sudo apt-get update
         sudo apt-get install libz-dev python3-pip g++ gfortran python3-numpy
+        sudo python3 -m pip install -U typing_extensions sphinx
     - name: install nanobind
       run: |
         git clone --recursive --depth=1 https://github.com/wjakob/nanobind.git
@@ -143,7 +145,6 @@ jobs:
         strip --strip-unneeded ./gemmi ./gemmi.cpython*.so
     - name: run doctest
       run: |
-        sudo python3 -m pip install -U sphinx
         export PYTHONPATH=$PWD/build
         cd docs
         sphinx-build -M doctest . _build -n -E
@@ -160,7 +161,7 @@ jobs:
         sudo apt-get install libz-dev python3-pip g++ gfortran python3-numpy valgrind
     - name: install nanobind
       run: |
-        python3 -m pip install nanobind
+        python3 -m pip install nanobind typing_extensions sphinx
     - name: build and test
       run: |
         g++ --version
@@ -175,7 +176,6 @@ jobs:
         python3 -m unittest discover -v -s tests/
     - name: run doctest
       run: |
-        sudo pip3 install -U sphinx
         cd docs
         sphinx-build -M doctest . _build -n -E
     - name: run tests under valgrind
@@ -219,7 +219,7 @@ jobs:
       run: |
         dnf update -y
         dnf install -y gcc-c++ cmake make git python38-devel python38-pip
-        python3.8 -m pip install -U numpy
+        python3.8 -m pip install -U numpy typing_extensions sphinx
         g++ --version
         python3.8 --version
         cmake --version
@@ -242,7 +242,6 @@ jobs:
         strip --strip-unneeded ./gemmi ./gemmi.cpython*.so
     - name: run doctest
       run: |
-        python3.8 -m pip install -U sphinx
         cd docs
         PYTHONPATH=.. sphinx-build -M doctest . _build -n -E
     - uses: actions/upload-artifact@v4