pylint: enable used-before-assignment

The one case of this was a false-positive, but what we were doing
(checking locals()) is not idiomatic. I've replaced the call to
`locals()` with the obvious `var: T.Optional[str] = None` with check
instead.

1 files changed, 0 insertions, 1 deletions

diff --git a/.pylintrc b/.pylintrc
index 6245958..45fec9b 100644
--- a/.pylintrc
+++ b/.pylintrc
@@ -74,7 +74,6 @@ disable=
     unused-argument,
     unused-variable,
     use-implicit-booleaness-not-comparison,
-    used-before-assignment,
     useless-return,
     useless-super-delegation,
     wrong-import-order,