attempt to avoid error
adding "ffmpeg", "libsm6",  "libxext6" while importing cv2
@@ -19,6 +19,19 @@ requirements:
host:
- pip
- python >=3.6
+ #------------------------------------------------------------------------------------
+ # Adding the following three packages to host-requirements
+ # to avoid error:
+ #
+ # ImportError: libGL.so.1: cannot open shared object file: No such file or directory
+ #
+ # source:
+ # - https://stackoverflow.com/a/63377623/8474894
+ # - https://exerror.com/importerror-libgl-so-1-cannot-open-shared-object-file-no-such-file-or-directory/
+ #------------------------------------------------------------------------------------
+ - ffmpeg
+ - libsm6
+ - libxext6
run:
- python >=3.6
- opencv >=4.1
