From e9762b7592db044c382eb5399b11ac2f774a6bb2 Mon Sep 17 00:00:00 2001
From: "P. L. Lim" <2090236+pllim@users.noreply.github.com>
Date: Fri, 5 Apr 2024 15:32:32 -0400
Subject: [PATCH] MNT: Compat with numpy 2 and astropy 6.1

---
 CHANGES.rst                       | 2 ++
 specutils/utils/quantity_model.py | 4 +++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/CHANGES.rst b/CHANGES.rst
index 0c8248dcb..d7d3344fe 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -10,6 +10,8 @@ Bug Fixes
 Other Changes and Additions
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+- Compatibility with numpy 2.0 and astropy 6.1. [#1130]
+
 1.13.0 (2024-02-19)
 -------------------
 
diff --git a/specutils/utils/quantity_model.py b/specutils/utils/quantity_model.py
index 07ec57064..a25d661dd 100644
--- a/specutils/utils/quantity_model.py
+++ b/specutils/utils/quantity_model.py
@@ -1,6 +1,8 @@
+import numpy as np
 from astropy import units as u
 
 __all__ = ['QuantityModel']
+_NUMPY_COPY_IF_NEEDED = False if np.__version__.startswith("1.") else None
 
 
 class QuantityModel:
@@ -72,4 +74,4 @@ def __repr__(self):
     def __call__(self, x, *args, **kwargs):
         unitlessx = x.to(self.input_units).value
         result = self.unitless_model(unitlessx, *args, **kwargs)
-        return u.Quantity(result, self.return_units, copy=False)
+        return u.Quantity(result, self.return_units, copy=_NUMPY_COPY_IF_NEEDED)