Update test_future.yml

Author: jhavl

.github/workflows/test_future.yml

@@ -68,8 +68,7 @@ jobs:
 
     - name: Specific numpy version for Ubuntu (pybullet dep)
       if: runner.os == "ubuntu-latest"
-      run: |
-        pip install numpy=1.26.4
+      run: pip install numpy==1.26.4
 
     - name: Test with pytest
       run: |