From 6e22f52285de97621f80b9d92d10b0692521a28f Mon Sep 17 00:00:00 2001
From: "P. L. Lim" <2090236+pllim@users.noreply.github.com>
Date: Mon, 6 Jan 2025 11:55:59 -0500
Subject: [PATCH 1/2] Force flux_unit to be unit instance

instead of a str to be compatible with astropy v7.1
---
 synphot/spectrum.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/synphot/spectrum.py b/synphot/spectrum.py
index 196649e..e973eec 100644
--- a/synphot/spectrum.py
+++ b/synphot/spectrum.py
@@ -484,7 +484,7 @@ def integrate(self, wavelengths=None, integration_type=None, **kwargs):
                 raise exceptions.SynphotError(
                     'flux_unit cannot be used with unitless spectrum')
             else:
-                self._validate_flux_unit(flux_unit, wav_only=True)
+                flux_unit = self._validate_flux_unit(flux_unit, wav_only=True)
 
         x = self._validate_wavelengths(wavelengths)
 

From 2466fe3b306e5e24a73c4854766f2d6ea062a040 Mon Sep 17 00:00:00 2001
From: "P. L. Lim" <2090236+pllim@users.noreply.github.com>
Date: Mon, 6 Jan 2025 13:42:56 -0500
Subject: [PATCH 2/2] Update CHANGES.rst

---
 CHANGES.rst | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/CHANGES.rst b/CHANGES.rst
index 785c997..1874aff 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,6 +1,8 @@
 1.6.0 (unreleased)
 ==================
 
+- Compatibility with ``astropy`` 7.1. [#403]
+
 1.5.0 (2024-11-19)
 ==================