Fix for problems in Localhost

[micaelvitor]

I've found an error using Swagger on my Flask application, getting "can't read from file" while running on localhost. As solution I followed this steps:

1 - Run your server and enter in the Swagger route
2 - Enter your static json address and reload it
3 - Go back to your Swagger route

After 4 hours stucked in google searching how to fix that i'm found this by-myself and i think this fix will help other users. This seems like a cache issue and I don't know any other way to fix that. If anybody here knows, I'll be more than grateful to hear it!