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diff --git a/src/.DS_Store b/src/.DS_Store
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diff --git a/src/GenericDetectors/.DS_Store b/src/GenericDetectors/.DS_Store
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diff --git a/src/GenericDetectors/pid/.DS_Store b/src/GenericDetectors/pid/.DS_Store
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diff --git a/src/GenericDetectors/pid/src/GenericRICH_geo.cpp b/src/GenericDetectors/pid/src/GenericRICH_geo.cpp
index 2a287295d1b2daf075a5adf0c6712349a495fc4b..aed6f53effd7fb86ae6849cb574e591291c42b22 100644
--- a/src/GenericDetectors/pid/src/GenericRICH_geo.cpp
+++ b/src/GenericDetectors/pid/src/GenericRICH_geo.cpp
@@ -1,3 +1,6 @@
+// Make a test for merge request
+
+#include "DD4hep/DetFactoryHelper.h"
 #include "DD4hep/DetFactoryHelper.h"
 #include "DD4hep/Printout.h"
 #include <XML/Helper.h>