From d02996e085b421310f7ba27e84baafa0939b18a3 Mon Sep 17 00:00:00 2001
From: Tom Peham <pehamtom@gmx.at>
Date: Mon, 1 Jul 2024 16:14:59 +0200
Subject: [PATCH] Restrict numpy to version < 2. (#236)

## Description

New numpy version break binary compatibility with Cython. For now we
restrict numpy version until this issue is fixed.

## Checklist:

<!---
This checklist serves as a reminder of a couple of things that ensure
your pull request will be merged swiftly.
-->

- [x] The pull request only contains commits that are related to it.
- [x] I have added appropriate tests and documentation.
- [x] I have made sure that all CI jobs on GitHub pass.
- [x] The pull request introduces no new warnings and follows the
project's style guidelines.

---------

Signed-off-by: Lukas Burgholzer <burgholzer@me.com>
Co-authored-by: Lukas Burgholzer <burgholzer@me.com>
---
 pyproject.toml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pyproject.toml b/pyproject.toml
index 72a32638..96884f83 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -40,7 +40,7 @@ dependencies = [
     "z3-solver>=4.11,<4.14",
     "qecsim",
     "ldpc>=0.1.50",
-    "numpy",
+    "numpy < 2",  # some of our dependencies are not yet compatible with numpy 2.0
     "qiskit[qasm3-import]>=1.0.0",
     "qiskit-aer>=0.14.0",
     "bposd",