ImportError was unhandled by user code Message: Error while finding loader for '__main__' (<class 'ValueError'>: __main__.__spec__ is None)

[mocm]

Hi,
This is probably about my environment settings. but I am stuck with this error:

Traceback (most recent call last):
File "C:\Users\212338241\Documents\Visual Studio 2015\Projects\bFlaskWP1\bFlas
kWP1\app.py", line 7, in
app = Flask(name)
File "C:\Users\212338241\Documents\Visual Studio 2015\Projects\bFlaskWP1\bFlas
kWP1\env\lib\site-packages\flask\app.py", line 358, in init
instance_path = self.auto_find_instance_path()
File "C:\Users\212338241\Documents\Visual Studio 2015\Projects\bFlaskWP1\bFlas
kWP1\env\lib\site-packages\flask\app.py", line 663, in auto_find_instance_path
prefix, package_path = find_package(self.import_name)
File "C:\Users\212338241\Documents\Visual Studio 2015\Projects\bFlaskWP1\bFlas
kWP1\env\lib\site-packages\flask\helpers.py", line 723, in find_package
loader = pkgutil.get_loader(root_mod_name)
File "C:\Python34\lib\pkgutil.py", line 467, in get_loader
return find_loader(fullname)
File "C:\Python34\lib\pkgutil.py", line 487, in find_loader
raise ImportError(msg.format(fullname, type(ex), ex)) from ex
ImportError: Error while finding loader for 'main' (<class 'ValueError'>: __
main__.spec is None)
Press any key to continue . . .

then VS makes chrome start to work with another port

I check the internet for similar problem but I cant find the ini files in VS environment that the possible solutions discuss. (ie: unbit/uwsgi#621 )

Regards