diff --git a/Control/PerformanceMonitoring/PerfMonEvent/PerfMonEvent/PyStore.h b/Control/PerformanceMonitoring/PerfMonEvent/PerfMonEvent/PyStore.h
index 3dc490588901413dd6bcfe10ff2b2420c0c1c441..72a7deb0db2a6bc438d552cc786d91ddda54a519 100644
--- a/Control/PerformanceMonitoring/PerfMonEvent/PerfMonEvent/PyStore.h
+++ b/Control/PerformanceMonitoring/PerfMonEvent/PerfMonEvent/PyStore.h
@@ -1,7 +1,7 @@
 ///////////////////////// -*- C++ -*- /////////////////////////////
 
 /*
-  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
+  Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
 */
 
 // Py::Store.h 
@@ -61,7 +61,7 @@ class Store
   std::size_t bufferSize() const { return m_bufSize; }
 
   /// python representation
-  std::string repr() const;
+  std::string repr();
 
   /////////////////////////////////////////////////////////////////// 
   // Non-const methods: 
diff --git a/Control/PerformanceMonitoring/PerfMonEvent/src/PyStore.cxx b/Control/PerformanceMonitoring/PerfMonEvent/src/PyStore.cxx
index 3850eaae3c6596043fac79a7b7820c5ea0bff6e7..7c1fc73b00c543c88a3262f46a707593ed01e9f8 100644
--- a/Control/PerformanceMonitoring/PerfMonEvent/src/PyStore.cxx
+++ b/Control/PerformanceMonitoring/PerfMonEvent/src/PyStore.cxx
@@ -64,7 +64,7 @@ Store::~Store()
 // const methods: 
 /////////////////////////////////////////////////////////////////// 
 
-std::string Store::repr() const
+std::string Store::repr()
 {
   return Py::repr( m_store );
 }