From 14f48c65d1b1016c6d92b58fa25b13026cc55471 Mon Sep 17 00:00:00 2001
From: ojustino <ojustino@users.noreply.github.com>
Date: Tue, 22 Nov 2022 11:46:10 -0500
Subject: [PATCH] Bump specutils requirement to v1.9.1

---
 setup.cfg                           |  2 +-
 specreduce/background.py            |  2 --
 specreduce/tests/test_background.py | 13 +++++--------
 3 files changed, 6 insertions(+), 11 deletions(-)

diff --git a/setup.cfg b/setup.cfg
index 673d111b..2bed71fe 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -18,7 +18,7 @@ python_requires = >=3.8
 setup_requires = setuptools_scm
 install_requires =
     astropy
-    specutils>=1.7
+    specutils>=1.9.1
     synphot
     matplotlib
     photutils
diff --git a/specreduce/background.py b/specreduce/background.py
index e6aac876..59395b00 100644
--- a/specreduce/background.py
+++ b/specreduce/background.py
@@ -324,6 +324,4 @@ def __rsub__(self, image):
         """
         Subtract the background from an image.
         """
-        # NOTE: will not be called until specutils PR #988 is merged, released,
-        # and pinned here
         return self.sub_image(image)
diff --git a/specreduce/tests/test_background.py b/specreduce/tests/test_background.py
index 2182ae4a..558969dd 100644
--- a/specreduce/tests/test_background.py
+++ b/specreduce/tests/test_background.py
@@ -55,20 +55,17 @@ def test_background():
     bg = Background(image, trace, width=bkg_width)
 
     # test that image subtraction works
-    # NOTE: uncomment sub1 test once Spectrum1D and Background subtraction works
-    # (meaning specutils PR #988 is merged, released, and pinned here)
-    # sub1 = image - bg1
+    sub1 = image - bg1
     sub2 = bg1.sub_image(image)
     sub3 = bg1.sub_image()
-    # assert np.allclose(sub1.flux, sub2.flux)
+    assert np.allclose(sub1.flux, sub2.flux)
     assert np.allclose(sub2.flux, sub3.flux)
 
-    # NOTE: uncomment sub4 test once Spectrum1D and Background subtraction works
-    # sub4 = image_um - bg4
+    sub4 = image_um - bg4
     sub5 = bg4.sub_image(image_um)
     sub6 = bg4.sub_image()
-    assert np.allclose(sub2.flux, sub5.flux)
-    # assert np.allclose(sub4.flux, sub5.flux)
+    assert np.allclose(sub1.flux, sub4.flux)
+    assert np.allclose(sub4.flux, sub5.flux)
     assert np.allclose(sub5.flux, sub6.flux)
 
     bkg_spec = bg1.bkg_spectrum()