Another fix

wo/cli/plugins/stack_pref.py

@@ -28,8 +28,10 @@ from wo.core.variables import WOVariables
 def pre_pref(self, apt_packages):
     """Pre settings to do before installation packages"""
 
-    if ((["mariadb-server"] in apt_packages) or
-            (["mariadb-client"] in apt_packages)):
+    if (not(["mariadb-server"] in apt_packages) and
+            (not ["mariadb-client"] in apt_packages)):
+        pass
+    else:
         # add mariadb repository excepted on raspbian and ubuntu 19.04
         if (not WOVariables.wo_distro == 'raspbian'):
             Log.info(self, "Adding repository for MySQL, please wait...")
@@ -41,7 +43,7 @@ def pre_pref(self, apt_packages):
                 mysql_pref_file.write(mysql_pref)
             WORepo.add(self, repo_url=WOVariables.wo_mysql_repo)
             WORepo.add_key(self, '0xcbcb082a1bb943db',
-                           keyserver='hkp://keys.gnupg.net')
+                           keyserver='keys.gnupg.net')
             WORepo.add_key(self, '0xF1656F24C74CD1D8',
                            keyserver='hkp://keys.gnupg.net')
     if ["mariadb-server"] in apt_packages:

wo/core/variables.py

@@ -150,8 +150,6 @@ class WOVariables():
     else:
         wo_mysql_client = ["mariadb-client", "python3-mysql.connector"]
 
-    wo_mysql_keys = ['0xcbcb082a1bb943db', '0xF1656F24C74CD1D8']
-
     wo_fail2ban = ["fail2ban"]
     wo_clamav = ["clamav", "clamav-freshclam"]