From 8e0c6292ca60b60b916bc71c1b602ee52ba0a318 Mon Sep 17 00:00:00 2001
From: TheSkyentist <raphael.hviding@gmail.com>
Date: Mon, 4 Mar 2024 10:20:57 +0100
Subject: [PATCH] Using and instead of & to get correct behaviour

---
 grizli/jwst_utils.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/grizli/jwst_utils.py b/grizli/jwst_utils.py
index 33463c6b..799ee5c1 100644
--- a/grizli/jwst_utils.py
+++ b/grizli/jwst_utils.py
@@ -1001,7 +1001,7 @@ def exposure_oneoverf_correction(file, axis=None, thresholds=[5,4,3], erode_mask
         
         return None, 0
 
-    if ('ONEFEXP' in im[0].header) & im[0].header['ONEFEXP'] & (not force_oneoverf):
+    if ('ONEFEXP' in im[0].header) and im[0].header['ONEFEXP'] and (not force_oneoverf):
         im.close()
         
         msg = 'exposure_oneoverf_correction: Skip, already corrected'