[027_TU_ip_protection], issue #27, Updated automatic test file by sub…

…stituting ttkthemes loading with sv-ttk package

.github/workflows/main.yml

@@ -12,7 +12,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - run: sudo apt-get install python3-tk
-      - run: pip install ttkthemes
+      - run: pip install sv-ttk
       - run: pip install pandas
       - run: pip install matplotlib
       - run: pip install typing-extensions