help，AttributeError: 'NoneType' object has no attribute 'decode'

[ARDUJS]

os： ubuntu1~18.04
log in to the server without display remotely using ssh

I meet error

Python 3.8.13 (default, Oct 21 2022, 23:50:54)
[GCC 11.2.0] :: Anaconda, Inc. on linux
Type "help", "copyright", "credits" or "license" for more information.

from animated_drawings import render
render.start('./examples/config/mvc/interactive_window_example.yaml')
/home/ubuntu/miniconda3/envs/animated_drawings/lib/python3.8/site-packages/glfw/init.py:912: GLFWError: (65544) b'X11: The DISPLAY environment variable is missing'
warnings.warn(message, GLFWError)
/home/ubuntu/miniconda3/envs/animated_drawings/lib/python3.8/site-packages/glfw/init.py:912: GLFWError: (65537) b'The GLFW library is not initialized'
warnings.warn(message, GLFWError)
Traceback (most recent call last):
File "", line 1, in
File "/home/ubuntu/AnimatedDrawings/animated_drawings/render.py", line 17, in start
view = View.create_view(cfg.view)
File "/home/ubuntu/AnimatedDrawings/animated_drawings/view/view.py", line 47, in create_view
return WindowView(view_cfg)
File "/home/ubuntu/AnimatedDrawings/animated_drawings/view/window_view.py", line 34, in init
self._create_window(*cfg.window_dimensions) # pyright: ignore[reportGeneralTypeIssues]
File "/home/ubuntu/AnimatedDrawings/animated_drawings/view/window_view.py", line 126, in _create_window
logging.info(f'OpenGL Version: {GL.glGetString(GL.GL_VERSION).decode()}') # pyright: ignore[reportGeneralTypeIssues]
AttributeError: 'NoneType' object has no attribute 'decode'

[hjessmith]

Try following the steps in this comment:
#99 (comment)

[ARDUJS]

Try following the steps in this comment: #99 (comment)

Run the following commands:

sudo apt-get install libosmesa6-dev freeglut3-dev
sudo apt-get install libglfw3-dev libgles2-mesa-dev
sudo apt-get install libosmesa6
export PYOPENGL_PLATFORM=osmesa
conda install -c conda-forge libstdcxx-ng
conda install -c conda-forge libstdcxx-ng=12
export DISPLAY=":1" or export DISPLAY=":0"

Still failed, I have executed all steps from scratch

[hjessmith]

Does headless rendering with mesa work?

[howardgriffin]

Same promblem. How to solve it?

[httzipdev]

Hmm, I got this problem too, after following all steps in #99

[tianruci]

hey , and now the problem has been resolved ?

[JiepengTan]

hey , and now the problem has been resolved ?
@tianruci

open file ./examples/annotations_to_animation.py
add one line code :
'view': {'USE_MESA':True}, # use MESA for headless server

in here