downgrade becuse space

Author: linogaliana

pyproject.toml

@@ -3,7 +3,7 @@ name = "python-datascientist"
 version = "0.1.0"
 description = "Source code for Lino Galiana's Python for data science course"
 readme = "README.md"
-requires-python = ">=3.14,<3.15"
+requires-python = ">=3.13,<3.14"
 dependencies = [
     "altair==5.4.1",
     "black==24.8.0",