crash if creating a new project that has the same name as an existing project

[Lionel Barret]

Traceback (most recent call last):
File "C:\Users\lionel\Code\parametric\reactive2\rectitude\ui\qtforms\window.py", line 66, in create_new_project
self.mainwin.create_new_project()
File "C:\Users\lionel\Code\parametric\reactive2\rectitude\ui\qtforms\window.py", line 425, in create_new_project
project_path = self.prj_mgr.configure_folder(name, location, self.default_dirs.stdlib)
File "C:\Users\lionel\Code\parametric\reactive2\rectitude\project.py", line 59, in configure_folder
path.mkdir()
File "C:\Users\lionel\Code\parametric\venv-py3\lib\site-packages\path.py", line 1208, in mkdir
os.mkdir(self, mode)
FileExistsError: [WinError 183] Impossible de crÚer un fichier dÚjÓ existant: Path('C:\Users\lionel\rectitude projects\test_stdlib')
Fatal Python error: Aborted