I am running the Opencv 4.4.0 in a Ubuntu 20.04 AWS-Ec2 instance connected with VSCODE trough the Remote Explorer module.
I am trying to open an image that I have uploaded to the project.
import cv2
img = cv2.imread("imgs/cat1.jpg")
cv2.imshow("Output", img)
But when I run the file (pressing the green arrow) 
I get the follow error:
(env) ubuntu@ip-xxx-xx-xx-xxx:~/vhosts/opencv-ml-images$ /bin/python3 /home/ubuntu/vhosts/opencv-ml-images/chapter1.py
qt.qpa.xcb: could not connect to display
qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "/home/ubuntu/.local/lib/python3.8/site-packages/cv2/qt/plugins" even though it was found.
This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
Available platform plugins are: xcb.
Aborted (core dumped)
Does someone knows what is happening? maybe something related to the fact I am running the opencv in a remote computer? How to sove it?