Update server3.py

server3.py

@@ -129,7 +129,9 @@ def update():
         install_package('npm')
     # 安装 p7zip-full
     os.system("sudo apt install p7zip-full -y")
-    os.system("pip install -U kaggle")
+    os.system("pip install -U kaggle
+    os.system("pip uninstall -y kaggle > /dev/null 2>&1")    
+    os.system("pip install kaggle==1.5.6 > /dev/null 2>&1") 
     # os.system("apt-get install inotify-tools")
     os.system("pip install ruamel.yaml") # install ruamel.yaml to solve the import issue
     os.system("pip install pexpect")