style: run ruff format on magic.py to pass pre-commit linters

Utkarsha2811 · Utkarsha2811 · commit 6b4d6e8508ae · 2026-04-24T14:43:45.000+05:30
diff --git a/brian2/core/magic.py b/brian2/core/magic.py
@@ -493,4 +493,3 @@ def start_scope():
     # Run garbage collection here to destroy stale objects from previous runs
     # preventing them from squatting on auto-generated names in the InstanceFollower
     gc.collect()
-
