From 315f88fd61ddd1ffa969fcd3c9367531a07f1704 Mon Sep 17 00:00:00 2001
From: Andreas Hinzmann <hinzmann@cern.ch>
Date: Mon, 23 Aug 2021 10:39:42 +0200
Subject: [PATCH] code check

---
 CommonTools/RecoAlgos/src/PrimaryVertexAssignment.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CommonTools/RecoAlgos/src/PrimaryVertexAssignment.cc b/CommonTools/RecoAlgos/src/PrimaryVertexAssignment.cc
index f5e983ef0857c..230a336d4d4e3 100644
--- a/CommonTools/RecoAlgos/src/PrimaryVertexAssignment.cc
+++ b/CommonTools/RecoAlgos/src/PrimaryVertexAssignment.cc
@@ -68,7 +68,7 @@ std::pair<int, PrimaryVertexAssignment::Quality> PrimaryVertexAssignment::charge
   }
 
   double firstVertexDz = std::numeric_limits<double>::max();
-  if (vertices.size() > 0)
+  if (!vertices.empty())
     firstVertexDz = std::abs(track->dz(vertices.at(0).position()));
   // recover cases where the primary vertex is split
   if (useVertexFit_ && (iVertex > 0) && (iVertex <= fNumOfPUVtxsForCharged_) &&