diff --git a/contrib/inventory/gce.py b/contrib/inventory/gce.py
index d4856166367..1046b84a04b 100755
--- a/contrib/inventory/gce.py
+++ b/contrib/inventory/gce.py
@@ -261,7 +261,7 @@ class GceInventory(object):
         if inst is None:
             return {}
 
-        if inst.extra['metadata'].has_key('items'):
+        if 'items' in inst.extra['metadata']:
             for entry in inst.extra['metadata']['items']:
                 md[entry['key']] = entry['value']
 
@@ -326,7 +326,7 @@ class GceInventory(object):
             if zones and zone not in zones:
                 continue
 
-            if groups.has_key(zone): groups[zone].append(name)
+            if zone in groups: groups[zone].append(name)
             else: groups[zone] = [name]
 
             tags = node.extra['tags']
@@ -335,25 +335,25 @@ class GceInventory(object):
                     tag = t[6:]
                 else:
                     tag = 'tag_%s' % t
-                if groups.has_key(tag): groups[tag].append(name)
+                if tag in groups: groups[tag].append(name)
                 else: groups[tag] = [name]
 
             net = node.extra['networkInterfaces'][0]['network'].split('/')[-1]
             net = 'network_%s' % net
-            if groups.has_key(net): groups[net].append(name)
+            if net in groups: groups[net].append(name)
             else: groups[net] = [name]
 
             machine_type = node.size
-            if groups.has_key(machine_type): groups[machine_type].append(name)
+            if machine_type in groups: groups[machine_type].append(name)
             else: groups[machine_type] = [name]
 
             image = node.image and node.image or 'persistent_disk'
-            if groups.has_key(image): groups[image].append(name)
+            if image in groups: groups[image].append(name)
             else: groups[image] = [name]
 
             status = node.extra['status']
             stat = 'status_%s' % status.lower()
-            if groups.has_key(stat): groups[stat].append(name)
+            if stat in groups: groups[stat].append(name)
             else: groups[stat] = [name]
 
         groups["_meta"] = meta