diff --git a/projects/rocprofiler/plugin/att/att.py b/projects/rocprofiler/plugin/att/att.py
index 181dc6bfc3..99c813ae61 100755
--- a/projects/rocprofiler/plugin/att/att.py
+++ b/projects/rocprofiler/plugin/att/att.py
@@ -40,7 +40,7 @@ class TraceData(ctypes.Structure):
     ]
 
 class TraceDataTranslated:
-    def __init__(self, inst) -> None:
+    def __init__(self, inst):
         self.type = inst.type
         self.num_waves = inst.hitcount
         self.cycles = inst.latency