changed return to tuple intead of 4d-matrix

Author: LuanGBR

mujoco_viewer/mujoco_viewer.py

@@ -301,7 +301,7 @@ def read_pixels(self, camid=None,depth=False):
             depth_img = np.zeros((shape[1], shape[0], 1), dtype=np.float32)
             mujoco.mjr_readPixels(img, None, self.viewport, self.ctx)
             mujoco.mjr_readPixels(None, depth_img, self.viewport, self.ctx)
-            return np.dstack((np.flipud(img),np.flipud(depth_img)))
+            return (np.flipud(img),np.flipud(depth_img))
         else:
             img = np.zeros((shape[1], shape[0], 3), dtype=np.uint8)
             mujoco.mjr_readPixels(img, None, self.viewport, self.ctx)

src/mujoco-python-viewer

@@ -1 +1 @@
-Subproject commit 19c95924c3f36bfcc6a8977dcf3649281d321984
+Subproject commit 68ac962f0fc78cfd3e08d51a49b737a003ab5393