modify GHA

.github/workflows/build_python.yaml

@@ -12,26 +12,16 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        python-version: ['3.8', '3.9', '3.10', '3.11']
 
     runs-on: ${{ matrix.os }}
     env:
       MPLBACKEND: Agg  # https://github.com/orgs/community/discussions/26434
 
     steps:
-    - uses: actions/checkout@v3
-
-    - name: Set up python ${{ matrix.python-version }}
-      uses: actions/setup-python@v5
-      with:
-        python-version: ${{ matrix.python-version }}
-
-    - name: Install package
-      run: |
-        python -m pip install --upgrade pip
-        pip install .
-      
-    - name: Run nifti prediction
-      run: |
-        cd demo_data
-        pyapetnet_predict_from_nifti brainweb_06_osem_cropped.nii brainweb_06_t1_cropped.nii S2_osem_b10_fdg_pe2i --no_coreg
+      - uses: actions/checkout@v4
+      - name: Setup PDM
+        uses: pdm-project/setup-pdm@v4
+        with:
+          python-version: 3.10
+      - name: Install dependencies
+        run: pdm install