From bbbf57c36ac31a0e60e088a6bdb488c3f8a93e60 Mon Sep 17 00:00:00 2001
From: Christopher Jones <chrisdjones15@gmail.com>
Date: Sat, 6 Jun 2026 07:44:07 -0500
Subject: [PATCH] Fix finding operator<< for reco::io_v1::PFTau

Needs to be defined in the reco::io_v1 namespace.
---
 DataFormats/TauReco/src/PFTau.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/DataFormats/TauReco/src/PFTau.cc b/DataFormats/TauReco/src/PFTau.cc
index 857c3f0633983..6d561d5458ee3 100644
--- a/DataFormats/TauReco/src/PFTau.cc
+++ b/DataFormats/TauReco/src/PFTau.cc
@@ -4,7 +4,7 @@
 #include "DataFormats/TauReco/interface/PFTau.h"
 
 //using namespace std;
-namespace reco {
+namespace reco::io_v1 {
 
   PFTau::PFTau() {
     leadPFChargedHadrCandsignedSipt_ = NAN;
@@ -449,4 +449,4 @@ namespace reco {
     return out;
   }
 
-}  // namespace reco
+}  // namespace reco::io_v1