Fix syntax error in TTS stage and complete pipeline

app.py

@@ -407,11 +407,12 @@ def full_speech_translation_pipeline(audio_input_path: str):
         forced_ids = stt_processor.get_decoder_prompt_ids(language="arabic", task="transcribe")
         
         with torch.no_grad():
-            # Pass forced_decoder_ids via a GenerationConfig to avoid unused kwargs error
-            generation_config = stt_model.generation_config.copy()
-            generation_config.forced_decoder_ids = forced_ids
-            
-            generated_ids = stt_model.generate(inputs, generation_config=generation_config, max_length=448)
+            # Pass forced_decoder_ids directly as a keyword argument
+            generated_ids = stt_model.generate(
+                inputs, 
+                forced_decoder_ids=forced_ids, 
+                max_length=448
+            )
 
         # Use batch_decode for robustness
         arabic_transcript = stt_processor.batch_decode(generated_ids, skip_special_tokens=True)[0].strip()