flask-bcrypt - ValueError: Invalid salt

Question

I was finishing up a simple user login with Flask and flask-Bcrypt. However, when trying to login with a user that is stored in my database, I keep getting this error

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Answer 1

I had a similar problem - got an: ValueError: Invalid salt - it turned out that in my models I had too few characters in my column:

password = Column(String(20))

In my database and models I had to change it to:

password = Column(String(100))

and it worked.