From 4df00d9bd7f8d321be388cf16d7c1866c5d88e46 Mon Sep 17 00:00:00 2001
From: Fabian Joswig <fabian.joswig@ed.ac.uk>
Date: Thu, 13 Jul 2023 16:58:09 +0100
Subject: [PATCH] docs: docstring added to Corr.trace.

---
 pyerrors/correlators.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pyerrors/correlators.py b/pyerrors/correlators.py
index ea767ec5..aaf32ba6 100644
--- a/pyerrors/correlators.py
+++ b/pyerrors/correlators.py
@@ -255,6 +255,7 @@ class Corr:
         return True
 
     def trace(self):
+        """Calculates the per-timeslice trace of a correlator matrix."""
         if self.N == 1:
             raise TypeError("Only works for correlator matrices.")
         newcontent = []