Fix: use MultiTaskSpeakerModel and remove theme parameter for Gradio compatibility

app.py

@@ -71,10 +71,10 @@ class MultiModelProfiler:
                 from transformers import Wav2Vec2FeatureExtractor
                 processor = Wav2Vec2FeatureExtractor.from_pretrained(encoder_name)
             
-            # Load model
-            from src.models import SpeakerProfileModel
+            # Load model - use MultiTaskSpeakerModel
+            from src.models import MultiTaskSpeakerModel
             
-            model = SpeakerProfileModel(
+            model = MultiTaskSpeakerModel(
                 model_name=encoder_name,
                 num_gender_classes=2,
                 num_dialect_classes=3,
@@ -218,7 +218,8 @@ def create_interface():
         status = "✓" if name in profiler.models else "✗"
         model_info += f"{status} **{name}**: {config['description']}\n"
     
-    with gr.Blocks(title="Vietnamese Speaker Profiling", theme=gr.themes.Soft()) as demo:
+    # Use gr.Blocks without theme for compatibility with older Gradio
+    with gr.Blocks(title="Vietnamese Speaker Profiling") as demo:
         gr.Markdown(
             """
             # 🎙️ Vietnamese Speaker Profiling