Update app.py

app.py

@@ -460,10 +460,11 @@ async def text_to_speech_edge(text, language_code, speaker, tashkeel_checkbox=Fa
 
 def get_speakers_and_checkbox(language):
     speakers = list(language_dict[language].keys())
-    return gr.Dropdown.update(choices=speakers, value=speakers[0], interactive=True), gr.Checkbox.update(visible=(language == "Arabic"), interactive=True)
+    return gr.Dropdown.update(choices=speakers, value=speakers[0]), gr.Checkbox.update(visible=(language == "Arabic"))
+
+default_language = list(language_dict.keys())[0]  # Default to the first language
+default_speaker = list(language_dict[default_language].keys())[0]  # Default to the first speaker of the default language
 
-default_language = None
-default_speaker = None
 with gr.Blocks(title="Multilingual TTS") as demo:
     gr.HTML("<center><h1>Multilingual TTS</h1></center>")
     
@@ -473,8 +474,8 @@ with gr.Blocks(title="Multilingual TTS") as demo:
             language = gr.Dropdown(
                 choices=list(language_dict.keys()), value=default_language, label="Languages", interactive=True
             )
-            speaker = gr.Dropdown(choices=[], value=default_speaker, label="Speakers", interactive=True)
-            tashkeel_checkbox = gr.Checkbox(label="Tashkeel", value=False, visible=False, interactive=True)
+            speaker = gr.Dropdown(choices=list(language_dict[default_language].keys()), value=default_speaker, label="Speakers", interactive=True)
+            tashkeel_checkbox = gr.Checkbox(label="Tashkeel", value=False, visible=(default_language == "Arabic"), interactive=True)
             run_btn = gr.Button("Generate Speech")
             output_text = gr.Textbox(label="Processed Text")
             audio_output = gr.Audio(label="Audio Output")