From 82d81b06f084d807d0ca851c5d414d7f0032c97a Mon Sep 17 00:00:00 2001
From: Richard Gildea <richard.gildea@diamond.ac.uk>
Date: Tue, 5 Jul 2022 20:42:03 +0100
Subject: [PATCH] Open gzip files in text mode

Without this we get a byte string, which subsequently fails when we
call line.startswith(<str>) a few lines below.
---
 pdb.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pdb.py b/pdb.py
index c125a02..6d95808 100644
--- a/pdb.py
+++ b/pdb.py
@@ -30,7 +30,7 @@ def __init__(self, cryst1_line):
 
 def read_metadata(pdb, print_errors):
     if pdb.endswith('.gz'):
-        f = gzip.open(pdb, 'rb')
+        f = gzip.open(pdb, 'rt')
     else:
         f = open(pdb)
     meta = None