From 1326e9c8633cea202cf0f1fd96133a73cba18b11 Mon Sep 17 00:00:00 2001
From: Fabian Joswig <fabian.joswig@ed.ac.uk>
Date: Thu, 18 Nov 2021 15:39:10 +0000
Subject: [PATCH] feat: tag added to Zq in npr module

---
 pyerrors/npr.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pyerrors/npr.py b/pyerrors/npr.py
index 5075cd3b..5e67ce9e 100644
--- a/pyerrors/npr.py
+++ b/pyerrors/npr.py
@@ -102,4 +102,7 @@ def Zq(inv_prop, fermion='Wilson'):
     if not res.imag.is_zero_within_error(5):
         warnings.warn("Imaginary part of Zq is not zero within 5 sigma")
         return res
+
+    res.real.tag = "Zq '" + fermion + "', p=" + str(inv_prop.mom_in)
+
     return res.real