set opencv-python==4.6.0.66 (#1618) (#1635)

Co-authored-by: NiamWHTWD <28421344+iamWHTWD@users.noreply.github.com>

requirements.txt

@@ -4,4 +4,5 @@ matplotlib
 pillow 
 pyyaml
 scikit-learn
-swig
\ No newline at end of file
+swig
+opencv-python==4.6.0.66