fix bug

Author: exploding-duck

.github/workflows/mac_test.yml

@@ -17,22 +17,18 @@ jobs:
         with:
           activate-environment: mousearm-test
           python-version: "3.11"
-          architecture: x64
-          channels: opensim-org,conda-forge,defaults
-          channel-priority: true
+          architecture: x64 
 
-      - name: Step 2: Install opensim
+      - name: Install opensim
         run: |
-          conda install opensim -y
-          # Verify installation immediately
-          python -c "import opensim; print(opensim.__version__)"
+          conda install -c opensim-org opensim -y
 
-      - name: Step 3: Install library with uv
+      - name: Install library with uv
         run: |
           pip install uv
           uv pip install .
 
-      - name: Step 4: Run Demo
+      - name: Run Demo
         run: |
-          cd $(find . -type d -name "Demo" | head -n 1)
+          cd mousearm/mousearm/Demo
           python Demo.py