Update app.py

app.py

@@ -12,6 +12,14 @@ from scipy.io.wavfile import write
 from pydub import AudioSegment
 high_quality = True
 
+os.system("git clone https://github.com/google/REAPER.git")
+os.system("cd REAPER")
+os.system("mkdir build")
+os.system("cd build")
+os.system("cmake ..")
+os.system("make")
+os.system("cd ..")
+os.system("cd ..")
 
 def svc(audio_src, audio_ref, singing_check):
   wav1, sr1 = librosa.load(audio_src, sr=24000)