Python: Remove strange empty line

Author: RasmusWL

python/tools/recorded-call-graph-metrics/cg_trace.py

@@ -128,7 +128,6 @@ def export(recorded_calls, outfile_path):
         with open(outfile_path, 'w', newline='') as csv_file:
             writer = None
             for (call, callable) in recorded_calls:
-
                 data = {
                     **Exporter.dataclass_to_dict(call),
                     **Exporter.dataclass_to_dict(callable)