Update app.py

app.py

@@ -178,8 +178,8 @@ def generate_xtts_audio(text, speaker_wav, output_path):
         cmd = [
             "tts",
             "--model_name", "tts_models/multilingual/multi-dataset/xtts_v2",
-            "--encoder_path", os.path.join(XTTS_MODEL_DIR, "model_se.pth.tar"),
-            "--encoder_config", os.path.join(XTTS_MODEL_DIR, "config_se.json"),
+            "--encoder_path", "model_se.pth.tar",
+            "--encoder_config", "config_se.json",
             "--speaker_wav", speaker_wav,
             "--text", text,
             "--out_path", output_path,
@@ -286,7 +286,7 @@ def extract_json_from_message(message):
 
 # Function to generate Markdown and convert to PDF (landscape, centered)
 def generate_slides_pdf(slides):
-    pdf = MarkdownPdf(page_size="A4", orientation="landscape")
+    pdf = MarkdownPdf()
     for slide in slides:
         content_lines = slide['content'].replace('\n', '\n\n')
         markdown_content = f"""
@@ -776,7 +776,6 @@ with gr.Blocks(title="Agent Feynman") as demo:
                 serpapi_key = gr.Textbox(label="SerpApi Key", type="password", placeholder="Enter your SerpApi key")
                 num_slides = gr.Slider(1, 20, step=1, label="Number of Content Slides", value=3)
                 speaker_audio = gr.Audio(label="Speaker sample audio (MP3 or WAV)", type="filepath", elem_id="speaker-audio")
-                audio_preview = gr.Audio(label="Audio Preview", interactive=False)
                 generate_btn = gr.Button("Generate Lecture")
         with gr.Column(scale=2):
             default_slide_html = """
@@ -790,7 +789,7 @@ with gr.Blocks(title="Agent Feynman") as demo:
     speaker_audio.change(
         fn=update_audio_preview,
         inputs=speaker_audio,
-        outputs=audio_preview
+        outputs=speaker_audio
     )
     
     generate_btn.click(