From d56f5c62a400442cda494ce103239207e14f49e2 Mon Sep 17 00:00:00 2001
From: Jihee Kim <jihee.kim@anl.gov>
Date: Thu, 23 Jul 2020 14:18:09 -0500
Subject: [PATCH] Apply suggestion to calorimeters/simple_checking.cxx

---
 calorimeters/simple_checking.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/calorimeters/simple_checking.cxx b/calorimeters/simple_checking.cxx
index 4d9dab19..774317ff 100644
--- a/calorimeters/simple_checking.cxx
+++ b/calorimeters/simple_checking.cxx
@@ -108,7 +108,7 @@ std::cout << "testing 3\n";
 std::cout << "testing 4\n";
   auto h0 = d1.Histo1D(TH1D("h0", "nhits; ", 20, 0,20), "nhits");
 
-  auto n0 = d1.Count();
+  auto n0 = d1.Filter([](int n){ return (n>=0); },{"nhits"}).Count();
 
   TCanvas* c = new TCanvas();
 
-- 
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