misc: Run pre-commit run --all-files

This is reflect the updates made to black when running `pre-commit
autoupdate`.

Change-Id: Ifb7fea117f354c7f02f26926a5afdf7d67bc5919

src/systemc/core/SystemC.py

@@ -25,6 +25,7 @@
 
 from m5.SimObject import SimObject, cxxMethod
 
+
 # This class represents the systemc kernel. There should be exactly one in the
 # simulation. It receives gem5 SimObject lifecycle callbacks (init, regStats,
 # etc.) and manages the lifecycle of the systemc simulation accordingly.