Update python.yml

Author: lighting9999

.github/workflows/python.yml

@@ -36,7 +36,8 @@ jobs:
 
       - name: Run Pytest tests
         run: pytest
-
+      - name: Run only Doctests
+        run: pytest --doctest-modules --doctest-only
       - name: Run Ruff checks with ignored rules
         run: ruff check . --ignore B904,B905,EM101,EXE001,G004,ISC001,PLC0415,PLC1901,PLW060,PLW1641,PLW2901,PT011,PT018,PT028,S101,S311,SIM905,SLF001