Revert gradio and spaces versions

app.py

@@ -11,6 +11,11 @@
 #                 | |_) |  _ <| |___ / ___ \| . \ 
 #                 |____/|_| \_\_____/_/   \_\_|\_\
 # """)
+import os
+os.system("pip uninstall -y gradio")
+os.system("pip install gradio==3.50.2")
+os.system("pip uninstall -y spaces")
+os.system("pip install spaces==0.8")
 
 import sys
 import copy