Windows cannot find python38.def

[AnthonyLim23]

I am trying to build a Windows wheel using github actions. However, I get the following error and I am not sure where it is coming from:

        Building import library (arch=AMD64): "C:\Users\runneradmin\AppData\Local\Temp\cibw-run-e2g9f_fs\cp38-win_amd64\build\venv\libs\libpython38.a" (from C:\Users\runneradmin\AppData\Local\pypa\cibuildwheel\Cache\nuget-cpython\python.3.8.10\tools\python38.dll)
        error: [Errno 2] No such file or directory: 'C:\\Users\\runneradmin\\AppData\\Local\\Temp\\cibw-run-e2g9f_fs\\cp38-win_amd64\\build\\venv\\libs\\python38.def'

My code is:

      - name: extract
        if: matrix.os == 'windows-latest'
        run: 7z x tools/vendored/mingw/MinGW64-4-6-1.7z

      - name: install fortran
        if: matrix.os == 'windows-latest'
        shell: bash -l {0}
        run:  |
             if [[ ${{ matrix.os }} == "windows-latest" ]]; then
                 setx path "%path%;C;\MinGW64\bin;"
                
                 #echo "MinGW64/bin" >> $GITHUB_PATH # also gave the same error as above
             fi

      - name: Build wheels
        uses: pypa/cibuildwheel@v2.8.0
        env:
          # List of platforms to build on
          CIBW_BUILD: cp38-manylinux_x86_64 cp38-win_amd64

          CIBW_BEFORE_ALL_LINUX: >
             pip install numpy==1.16.*
             pip install cython>=0.29.32
             pip install scipy

          CIBW_BEFORE_BUILD_WINDOWS: >
            pip install numpy==1.16.*
            pip install cython>=0.29.32
            pip install scipy

          # # cibuildwheel doesn't yet ship a default repair command for Windows
          CIBW_REPAIR_WHEEL_COMMAND_WINDOWS: "delvewheel repair -w {dest_dir} {wheel}"