From df1873b5ac16e8ec9a4b10a4521cac30343a5979 Mon Sep 17 00:00:00 2001
From: Justus Kuhlmann <82444481+jkuhl-uni@users.noreply.github.com>
Date: Thu, 11 Jan 2024 17:48:51 +0100
Subject: [PATCH] Throw error when trying to only find idls that are not
 present (#224)

---
 pyerrors/input/openQCD.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pyerrors/input/openQCD.py b/pyerrors/input/openQCD.py
index 36fa21b6..158bcaca 100644
--- a/pyerrors/input/openQCD.py
+++ b/pyerrors/input/openQCD.py
@@ -1286,7 +1286,9 @@ def read_ms5_xsf(path, prefix, qc, corr, sep="r", **kwargs):
                         imagsamples[repnum][t].append(corrres[1][t])
             if 'idl' in kwargs:
                 left_idl = list(left_idl)
-                if len(left_idl) > 0:
+                if expected_idl[repnum] == left_idl:
+                    raise ValueError("None of the idls searched for were found in replikum of file " + file)
+                elif len(left_idl) > 0:
                     warnings.warn('Could not find idls ' + str(left_idl) + ' in replikum of file ' + file, UserWarning)
         repnum += 1
     s = "Read correlator " + corr + " from " + str(repnum) + " replika with idls" + str(realsamples[0][t])