style: Fix code formatting

Author: AlonSpivack

tests/test_core/test_raw_mode.py

@@ -267,4 +267,3 @@ def test_add_scatter_produces_raw_trace(self):
         fig.add_scatter(x=[1, 2], y=[3, 4])
         assert len(fig._data) == 1
         assert isinstance(fig._data[0], dict)
-