Fix `used-before-assignment` TYPE_CHECKING false negatives (#8431)

Co-authored-by: Pierre Sassoulas <pierre.sassoulas@gmail.com>
Co-authored-by: Jacob Walls <jacobtylerwalls@gmail.com>

2 files changed, 20 insertions, 0 deletions

diff --git a/tests/functional/u/used/used_before_assignment_scoping.py b/tests/functional/u/used/used_before_assignment_scoping.py
new file mode 100644
index 000000000..0d88210bd
--- /dev/null
+++ b/tests/functional/u/used/used_before_assignment_scoping.py
@@ -0,0 +1,18 @@
+# pylint: disable=missing-function-docstring, missing-module-docstring
+
+from typing import TYPE_CHECKING
+
+if TYPE_CHECKING:
+    from datetime import datetime
+
+
+def func_two():
+    second = datetime.now()  # [used-before-assignment]
+    return second
+
+
+def func():
+    first: datetime
+    first = datetime.now()  # [used-before-assignment]
+    second = datetime.now()
+    return first, second
diff --git a/tests/functional/u/used/used_before_assignment_scoping.txt b/tests/functional/u/used/used_before_assignment_scoping.txt
new file mode 100644
index 000000000..32b6d3e1b
--- /dev/null
+++ b/tests/functional/u/used/used_before_assignment_scoping.txt
@@ -0,0 +1,2 @@
+used-before-assignment:10:13:10:21:func_two:Using variable 'datetime' before assignment:CONTROL_FLOW
+used-before-assignment:16:12:16:20:func:Using variable 'datetime' before assignment:CONTROL_FLOW