From d7628b69d1b82f87a4c91b8f16a552bc5718bf10 Mon Sep 17 00:00:00 2001
From: Fabian Joswig <fabian.joswig@ed.ac.uk>
Date: Thu, 1 Dec 2022 16:00:17 +0000
Subject: [PATCH] feat: Improve str conversion of numpy.ndarrays containing
 pyerrors Obs.

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

diff --git a/pyerrors/obs.py b/pyerrors/obs.py
index 54b3109c..6b25b723 100644
--- a/pyerrors/obs.py
+++ b/pyerrors/obs.py
@@ -12,6 +12,9 @@ import numdifftools as nd
 from itertools import groupby
 from .covobs import Covobs
 
+# Improve print output of numpy.ndarrays containing Obs objects.
+np.set_printoptions(formatter={'object': lambda x: str(x)})
+
 
 class Obs:
     """Class for a general observable.