From 42e863fbf8daecd4504d1ad6280c6c37c8cf5663 Mon Sep 17 00:00:00 2001
From: Sergey Koposov <skoposov@ed.ac.uk>
Date: Thu, 22 Apr 2021 20:25:49 +0100
Subject: [PATCH] apparently astropy tries to accumulate all the comments in
 tables and then writing this to fits file fails

---
 py/minimint/mist_interpolator.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/py/minimint/mist_interpolator.py b/py/minimint/mist_interpolator.py
index 69ed3c7..9fe1a7a 100644
--- a/py/minimint/mist_interpolator.py
+++ b/py/minimint/mist_interpolator.py
@@ -60,6 +60,8 @@ def read_grid(eep_prefix, outp_prefix):
         tabs0.append(curt)
 
     tabs = atpy.vstack(tabs0)
+    if 'comments' in tabs.meta:
+        del tabs.meta['comments']
     del tabs0
     gc.collect()
     for k in list(tabs.columns):