PEP 8 fixes.

contrib/inventory/zabbix.py

@@ -24,7 +24,7 @@ Zabbix Server external inventory script.
 ========================================
 
 Returns hosts and hostgroups from Zabbix Server.
-If you want to run with --limit against a host group with space in the 
+If you want to run with --limit against a host group with space in the
 name, use asterisk. For example --limit="Linux*servers".
 
 Configuration is read from `zabbix.ini`.
@@ -104,18 +104,18 @@ class ZabbixInventory(object):
 
                 data[groupname]['hosts'].append(hostname)
 
-	# Prevents Ansible from calling this script for each server with --host
+        # Prevents Ansible from calling this script for each server with --host
-        data['_meta'] = { 'hostvars': self.meta }
+        data['_meta'] = {'hostvars': self.meta}
 
         return data
 
     def __init__(self):
 
-        self.defaultgroup    = 'group_all'
+        self.defaultgroup = 'group_all'
-        self.zabbix_server   = None
+        self.zabbix_server = None
         self.zabbix_username = None
         self.zabbix_password = None
-        self.meta            = {}
+        self.meta = {}
 
         self.read_settings()
         self.read_cli()