Fixed chart rendering

app.py

@@ -3,6 +3,8 @@ import sys
 import gradio as gr
 import torch
 import numpy as np
+import matplotlib
+matplotlib.use('Agg')  # Set backend before importing pyplot
 import matplotlib.pyplot as plt
 from PIL import Image
 from huggingface_hub import hf_hub_download
@@ -66,8 +68,6 @@ models = {}
 def create_emotion_plot(valence, arousal):
     """Create a valence-arousal plot with the predicted emotion point"""
     # Create figure in a process-safe way
-    plt.switch_backend('Agg')
-    
     fig = plt.figure(figsize=(8, 8), dpi=100)
     ax = fig.add_subplot(111)