Invalid auth token - Python Blynk version?

That’s right. You are using blynk IOT auth token with the old blynk library.
You have to manually install this file

and replace it with the one you’ve already installed using the " pip install blynk-library-python " command. after that your serial monitor should say " for python v1.0.0 (linux) " which is the new blynk library.
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