W0622: Redefining built-in 'exit'
It is not necessary to explicitly import the `exit` method
from the `sys` module. Remove this import.
W0622: Redefining built-in 'dict'
Rename the variable `dict` to `data` to prevent redefinition
of the built-in.
W0612: Unused variable 'gsql_stderr'
W0612: Unused variable 'args'
Prefix unused variables with `_`.
Change-Id: I6c4f9a54a3a27eab09c419154f9e2ee6689536de
ea8b627b8d