Fix indentation

Author: sstamenk

tests/models/quantization/test_bitsandbytes.py

@@ -19,7 +19,7 @@
     pytestmark = pytest.mark.skipif(
         on_gfx9(),
         reason="bitsandbytes quantization not supported on gfx9 (warp size 64 limitation)",
-)
+    )
 
 models_4bit_to_test = [
     ("facebook/opt-125m", "quantize opt model inflight"),