Update app.py

app.py

@@ -107,16 +107,22 @@ with tab2:
         with open("raw_music.mp3", "wb") as f:
             f.write(uploaded_file.getbuffer())
         st.audio("raw_music.mp3")
-        st.write("Specify start and end times for trimming:")
-        audio = AudioSegment.from_file("raw_music.mp3")
-        duration = len(audio) // 1000 
-        start_time = st.number_input("Start Time (seconds)", min_value=0, max_value=duration, value=0)
-        end_time = st.number_input("End Time (seconds)", min_value=0, max_value=duration, value=duration)
-        if start_time < end_time:
-            trimmed_audio = audio[start_time * 1000:end_time * 1000]
-            trimmed_audio.export("trimmed_music.mp3", format="mp3")
-            st.write("Now type what user should sing:")
-            user_input = st.text_area("Lyrics to be singed:")
-            st.write(user_input)
+        trimm_check = st.checkbox("Trim?")
+        if trimm_check:   
+            st.write("Specify start and end times for trimming:")
+            audio = AudioSegment.from_file("raw_music.mp3")
+            duration = len(audio) // 1000 
+            start_time = st.number_input("Start Time (seconds)", min_value=0, max_value=duration, value=0)
+            end_time = st.number_input("End Time (seconds)", min_value=0, max_value=duration, value=duration)
+            if start_time < end_time:
+                trimmed_audio = audio[start_time * 1000:end_time * 1000]
+                trimmed_audio.export("trimmed_music.mp3", format="mp3")
+                st.write("Now type what user should sing:")
+                lyrics = st.text_area("Lyrics to be singed:")
+                st.write(lyrics)
+            else:
+                st.write("Start Time should be smaller than End Time!")
         else:
-            st.write("Start Time should be smaller than End Time!")
+            st.write("Now type what user should sing:")
+            lyrics = st.text_area("Lyrics to be singed:")
+            st.write(lyrics)