Fix php upgrade

CHANGELOG.md

@@ -15,6 +15,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 #### Changed
 
 - Moving package configuration in a new plugin stack_pref.py
+- Set WordOps backend password length from 16 to 24
 
 ### v3.9.7 - 2019-08-02
 

wo/cli/plugins/stack_pref.py

@@ -412,16 +412,16 @@ def post_pref(self, apt_packages, packages):
                                 out=wo_nginx)
                 wo_nginx.close()
 
-                passwd = ''.join([random.choice
+                randompass = ''.join([random.choice
                                       (string.ascii_letters + string.digits)
-                                  for n in range(16)])
+                                      for n in range(24)])
                 try:
                     WOShellExec.cmd_exec(self, "printf \"WordOps:"
                                          "$(openssl passwd -crypt "
                                          "{password} 2> /dev/null)\n\""
                                          "> /etc/nginx/htpasswd-wo "
                                          "2>/dev/null"
-                                         .format(password=passwd))
+                                         .format(password=randompass))
                 except CommandExecutionError as e:
                     Log.debug(self, "{0}".format(e))
                     Log.error(self, "Failed to save HTTP Auth")