reformat

src/utils/perfagg.py

@@ -107,7 +107,9 @@ def join_prof(workload_dir, join_type, log_file, verbose, out=None):
             _df["key"] = _df.KernelName + " - " + key.astype(str)
         elif join_type == "grid":
             key = _df.groupby(["KernelName", "grd"]).cumcount()
-            _df["key"] = _df.KernelName + " - " + _df.grd.astype(str) + " - " + key.astype(str)
+            _df["key"] = (
+                _df.KernelName + " - " + _df.grd.astype(str) + " - " + key.astype(str)
+            )
         else:
             print("ERROR: Unrecognized --join-type")
             sys.exit(1)