From fedf38efd997bbb035cd7f5601a1f82d3916af8f Mon Sep 17 00:00:00 2001
From: Ryan Ly <rly@lbl.gov>
Date: Mon, 18 Nov 2024 16:39:16 -0800
Subject: [PATCH] Fix broken Python 3.9 tests (#231)

Co-authored-by: Matthew Avaylon <avaylonmatthew@gmail.com>
---
 requirements.txt | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/requirements.txt b/requirements.txt
index 840b4815..ff40e127 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,7 @@
 # pinned dependencies to reproduce an entire development environment to use HDMF-ZARR
 hdmf==3.14.5
-zarr==2.18.3
+zarr==2.18.3; python_version >= "3.10"  # zarr 2.18.3 dropped support for python 3.9
+zarr==2.18.2; python_version < "3.10"
 pynwb==2.8.2
 numpy==2.1.3
 numcodecs==0.13.1