diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 3fc6462..8849bb4 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -63,7 +63,7 @@ jobs:
       if: matrix.os == 'windows-latest'
       run: |
           pacman -S mingw-w64-x86_64-winpthreads
-          pacman -S mingw-w64-x86_64-winpthreads-git      
+          pacman -S mingw-w64-x86_64-winpthreads-git
     - name: Build wheels
       run: python -m cibuildwheel --output-dir wheelhouse
       env:
@@ -113,7 +113,8 @@ jobs:
         python -m pip install wheel
         python -m pip install --upgrade pip
         python -m pip install flake8 pytest pytest-cov
-        pip install -r requirements.txt
+        python setup.py build_ext --inplace
+        # pip install -r requirements.txt
     - name: Install CAJAL
       run: |
         python -m pip install .[vis]