fixed release pipeline.

Author: vogt31337

.github/workflows/test_release.yml

@@ -25,42 +25,34 @@ jobs:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
       - uses: actions/checkout@v4
 
-      - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v5
+      - name: Install uv
+        uses: astral-sh/setup-uv@38f3f104447c67c051c4a08e39b64a148898af3a #v4.2.0
         with:
           python-version: ${{ matrix.python-version }}
 
-      - name: Install pandapower & dependencies
+      - name: Install dependencies
         run: |
-          python -m pip install --upgrade pip
-          python -m pip install igraph pytest-split seaborn matplotlib plotly geopandas ortools xlsxwriter openpyxl cryptography psycopg2 matpowercaseframes
-          pip install -e .
+          uv sync --all-extras          
+          uv pip install pytest-split
 
       - name: Install specific dependencies (Windows)
         if: matrix.os  == 'windows-latest'
         run: |
-          if ( '${{ matrix.python-version }}'  -eq '3.9' ) { python -m pip install pypower }
-          if ( '${{ matrix.python-version }}'  -ne '3.9' ) { python -m pip install numba }
-          if ( '${{ matrix.python-version }}'  -eq '3.10' ) { python -m pip install lightsim2grid }
+          if ( '${{ matrix.python-version }}'  -eq '3.9' ) { uv pip install pypower }
+          if ( '${{ matrix.python-version }}'  -ne '3.9' ) { uv pip install numba }
+          if ( '${{ matrix.python-version }}'  -eq '3.10' ) { uv pip install lightsim2grid }
 
       - name: Install specific dependencies (Ubuntu)
         if: matrix.os  == 'ubuntu-latest'
         run: |
-          if ${{ matrix.python-version == '3.9' }}; then python -m pip install pypower; fi
-          if ${{ matrix.python-version != '3.9' }}; then python -m pip install numba; fi
-          if ${{ matrix.python-version == '3.10' }}; then python -m pip install lightsim2grid; fi
-
-#      - name: Install Julia
-#        if: matrix.os == 'ubuntu-latest' && matrix.python-version == '3.9'
-#        run: |
-#          ./.install_julia.sh 1.8
-#          pip install julia
-#          python ./.install_pycall.py
+          if ${{ matrix.python-version == '3.9' }}; then uv pip install pypower; fi
+          if ${{ matrix.python-version != '3.9' }}; then uv pip install numba; fi
+          if ${{ matrix.python-version == '3.10' }}; then uv pip install lightsim2grid; fi
 
       - name: List all installed packages
         run: |
-          pip list
+          uv pip list
 
       - name: Test with pytest
         run: |
-          pytest --splits 2 --group ${{ matrix.group }} --pyargs pandapower.test
+          uv run pytest -n=auto --splits 2 --group ${{ matrix.group }}