fix(scene): fix remove scene function

Dockerfile

@@ -1,5 +1,5 @@
 # Use an official Python runtime as the base image
-FROM python:3.9
+FROM python:3.8-slim
 
 # Set the working directory in the container
 WORKDIR /usr/src/app
@@ -11,13 +11,20 @@ COPY . .
 RUN apt-get update && apt-get install -y \
     libmagic-dev \
     youtube-dl \
-    ffmpeg
+    ffmpeg \ 
+    libpulse-mainloop-glib0 \ 
+    libxcb-xinerama0
 
 RUN pip install --no-cache-dir youtube-dl
 RUN pip install --no-cache-dir -r requirements.txt
 
+# Set the QT_QPA_PLATFORM environment variable to xcb
+ENV QT_QPA_PLATFORM=xcb
+ENV QT_QPA_PLATFORM_PLUGIN_PATH=/usr/lib/x86_64-linux-gnu/qt5/plugins/platforms
+
 # Make port 80 available to the world outside this container
 EXPOSE 80
 
+
 # Run app.py when the container launches
 CMD ["python", "main.py"]

docker-compose.yml

@@ -4,3 +4,5 @@ services:
     build: .
     ports:
       - "4000:80"
+    environment:
+      - DISPLAY=${DISPLAY}

window/SceneManager.py

@@ -33,7 +33,7 @@ def removeScene(self):
         # Remove other scenes from memory but keep 1 scene in the stacked widget, in that manner, we can
         # keep the thread from the widget before the first one !
         if self.stacked_widget.count() > 1:
-            removed_widget = self.stacked_widget.currentWidget()
+            removed_widget = self.stacked_widget.widget(0)
             self.stacked_widget.removeWidget(removed_widget)
             removed_widget.deleteLater()