- Indentation should be spaces, to be consistent with the rest of the project. Using tabs might break it. srccheck returns exit code 1 when it finds a tab.
- Function names should be lower case. We use snake_case for all functions, so srccheck looks whether there are function names with a capitalized letter. If it finds one, it also returns with exit code 1 because that's inconsistent with the other function names.
If you don't want a multiline string but just have a long single line string, you can use parentheses, just make sure you don't include commas between the string segments, then it will be a tuple.
query = ('SELECT action.descr as "action", '
'role.id as role_id,'
'role.descr ...
I don't really understand your question...
