Update app.py

app.py

@@ -186,7 +186,7 @@ async def process_transcript_line(line, default_voice, rate, pitch):
                 process_next = not process_next
                 continue
             if process_next and part.strip():
-                if if part == split_parts[-1]: # check if this is laster iteration, 
+                if part == split_parts[-1]: # check if this is laster iteration, 
                     check1 = False             # set it to False                
                 audio_path = await generate_audio_with_voice_prefix(part, default_voice, rate, pitch)
                 if audio_path: