Update app.py

app.py

@@ -18,6 +18,7 @@ def run_cmd(command):
         print("Process interrupted")
         sys.exit(1)
 run_cmd("wget https://github.com/xinntao/Real-ESRGAN/releases/download/v0.1.0/RealESRGAN_x4plus.pth -P .")
+run_cmd("pip install basicsr")
 run_cmd("pip freeze")
 
 #run_cmd("python setup.py develop")