add cv2 and disable install cv2

jaxnerf/nerf/datasets.py

@@ -22,8 +22,8 @@ from os import path
 import queue
 import threading
 
-if not INTERNAL:
-    import cv2  # pylint: disable=g-import-not-at-top
+# if not INTERNAL:
+#     import cv2  # pylint: disable=g-import-not-at-top
 import jax
 import numpy as np
 from PIL import Image

requirements.txt

@@ -2,7 +2,7 @@ numpy>=1.16.4
 jax>=0.2.6
 jaxlib>=0.1.57
 flax>=0.2.2
-opencv-python>=4.4.0
+#opencv-python>=4.4.0
 Pillow>=7.2.0
 pyyaml>=5.3.1
 tensorboard>=2.4.0