Python: False positive for blank space characters

[a2ruan]

https://github.com/github/codeql/blob/main/python/ql/src/Functions/ConsistentReturns.ql

return "" is being interpreted as a implicit return, but it is actually an explicit return (blankspace).

[a2ruan]

[tausbn]

Thank you for your report!

I think this alert is attached to the function that starts on line 297, not the function that includes line 295. Please check whether the alert is valid for the get_driver function.