generate gui.run() properly (#1794)

Co-authored-by: Fred Lefévère-Laoide <Fred.Lefevere-Laoide@Taipy.io>

tools/gui/generate_pyi.py

@@ -29,7 +29,7 @@ if not os.path.isdir(os.path.abspath(os.path.join(script_dir, "taipy"))):
 # ##################################################################################################
 gui_py_file = "./taipy/gui/gui.py"
 gui_pyi_file = f"{gui_py_file}i"
-from taipy.config import Config  # noqa: E402
+from taipy.gui.config import Config  # noqa: E402
 
 # Generate Python interface definition files
 os.system(f"pipenv run stubgen {gui_py_file} --no-import --parse-only --export-less -o ./")