Recaptcha Uncaught (in promise) null error with Flask

Posted on Fri 24 July 2020 in dev-journal • Tagged with developer journal, recaptcha, flask-wtf

When trying to implement Recaptcha2 Invisible with Flask-WTF I ran into the following error:

Uncaught (in promise) null

This seemed to be a pretty obscure problem as I could not get any additional information from the application about what was going wrong. What finally got me to the solution was …

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