Revert "fix the get_hosts() error in get_groups returning a dict not a list of group objects"

This reverts commit f41fb90d78.

lib/ansible/inventory.py

@@ -73,14 +73,14 @@ class Inventory(object):
         hosts = {}
         patterns = pattern.replace(";",":").split(":")
 
-        for (groupname, group) in self.get_groups().items():
-            for host in group.get_hosts():
-                for pat in patterns:
-                    if group.name == pat or pat == 'all' or self._match(host.name, pat):
-                        if not self._restriction:
-                            hosts[host.name] = host
-                        if self._restriction and host.name in self._restriction:
-                            hosts[host.name] = host
+        for group in self.get_groups():
+             for host in group.get_hosts():
+                 for pat in patterns:
+                     if group.name == pat or pat == 'all' or self._match(host.name, pat):
+                         if not self._restriction:
+                             hosts[host.name] = host
+                         if self._restriction and host.name in self._restriction:
+                             hosts[host.name] = host
         return sorted(hosts.values(), key=lambda x: x.name)
 
     def get_groups(self):