argument 1 must be a string or unicode object: got _io.TextIOWrapper instead during execution of sql file

[zawistowskipiotr]

To be deleted

[dvarrazzo]

I see at least an error there:

cursor.execute("{file}").read() should be cursor.execute(file).read() I assume.

Anyway, you are just passing to psycopg something that is not a string. Pass a string.