Fix warnings regarding invalid escape sequences.

corydolphin / flask-cors

Cross Origin Resource Sharing ( CORS ) support for Flask

https://flask-cors.corydolphin.com/

MIT License

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Closed tirkarthi closed 3 years ago

tirkarthi commented 4 years ago

Fixes #259

corydolphin commented 3 years ago

@tirkarthi thank you very much for the contribution!