Test tkinter module

Author: ElliottKasoar

.github/workflows/windows.yml

@@ -28,3 +28,6 @@ jobs:
 
       - name: Test importing matplotlib
         run: uv run --no-sync python -c 'import matplotlib.pyplot as plt; plt.plot()'
+
+      - name: Test tkinter module
+        run: uv run --no-sync python -m tkinter