pre

.github/workflows/test.yml

@@ -58,11 +58,18 b' jobs:'
     - name: Install latex
       if: runner.os == 'Linux' && matrix.deps == 'test_extra'
       run: echo "disable latex for now, issues in mirros" #sudo apt-get -yq -o Acquire::Retries=3 --no-install-suggests --no-install-recommends install texlive dvipng
-    - name: Install and update Python dependencies
+    - name: Install and update Python dependencies (binary only)
+      if: ${{ ! contains( matrix.python-version, 'dev' ) }}
       run: |
         python -m pip install --only-binary ':all:' --upgrade pip setuptools wheel build
         python -m pip install --only-binary ':all:' --no-binary curio --upgrade -e .[${{ matrix.deps }}]
         python -m pip install --only-binary ':all:' --upgrade check-manifest pytest-cov  pytest-json-report
+    - name: Install and update Python dependencies (dev?)
+      if: ${{ contains( matrix.python-version, 'dev' ) }}
+      run: |
+        python -m pip install --pre --upgrade pip setuptools wheel build
+        python -m pip install --pre --no-binary curio --upgrade -e .[${{ matrix.deps }}]
+        python -m pip install --pre --upgrade check-manifest pytest-cov  pytest-json-report
     - name: Try building with Python build
       if: runner.os != 'Windows'  # setup.py does not support sdist on Windows
       run: |