Why is mysql not connecting to sqlalchemy?

This solves the issue of the module error, however, we still have an error in connection because we want sqlalchemy to connect using the MySQL connector instead of trying to connect directly. This means we have to change the SQLALCHEMY_DATABASE_URI in our python script
In fact, how to connect MySQL to SQLAlchemy in Python?
To specifically mention DB-API to be used for connection, the URL string takes the form as follows − For example, if you are using PyMySQL driver with MySQL, use the following command − The echo flag is a shortcut to set up SQLAlchemy logging, which is accomplished via Python’s standard logging module.
In respect to this, do you need flask or SQLAlchemy for database connection? One of the most sought after helpers being the handling of a database connection across the app. However, ensuring your database connection session is available throughout your app can be accomplished with base SQLAlchemy and does not require Flask-SQLAlchemy.
Likewise, why does SQLAlchemy not respond to new connections?
The reason is because the state of the server has been changed to one in which the client library does not expect, such that when the client library emits a new statement on the connection, the server does not respond as expected.
Next, can you connect MariaDB database to SQLAlchemy?
Within the realm of SQLAlchemy, the two databases have a small number of syntactical and behavioral differences that SQLAlchemy accommodates automatically. To connect to a MariaDB database, no changes to the database URL are required:

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