From c299fb90091fa75b4770321e243f4f1478501986 Mon Sep 17 00:00:00 2001
From: zjowowen <93968541+zjowowen@users.noreply.github.com>
Date: Tue, 22 Aug 2023 12:07:22 +0800
Subject: [PATCH] fix(zjow): fix mujoco-py compatibility issue for cython<3
 (#711)

---
 docker/Dockerfile.env | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docker/Dockerfile.env b/docker/Dockerfile.env
index de4f324f1b..1564cbc472 100644
--- a/docker/Dockerfile.env
+++ b/docker/Dockerfile.env
@@ -35,6 +35,7 @@ RUN mkdir -p /root/.mujoco \
 ENV LD_LIBRARY_PATH /root/.mujoco/mjpro210/bin:/root/.mujoco/mujoco210/bin:${LD_LIBRARY_PATH}
 
 Run python3 -m pip install --upgrade pip \
+    && pip3 install "cython<3" \
     && pip3 install --no-cache-dir numpy \
     && pip3 install --no-cache-dir -U "gym[mujoco,mujoco_py]==0.25.1" --user \
     && pip install gymnasium[mujoco] \