diff --git a/ceilometer/compute/pollsters/__init__.py b/ceilometer/compute/pollsters/__init__.py
index e03c571caf..75092a97de 100644
--- a/ceilometer/compute/pollsters/__init__.py
+++ b/ceilometer/compute/pollsters/__init__.py
@@ -47,21 +47,21 @@ class GenericComputePollster(plugin_base.PollsterBase):
 
     def setup_environment(self):
         super(GenericComputePollster, self).setup_environment()
-        self.inspector = self._get_inspector(self.conf)
+        self.inspector = GenericComputePollster._get_inspector(self.conf)
 
     @staticmethod
     def aggregate_method(stats):
         # Don't aggregate anything by default
         return stats
 
-    @classmethod
-    def _get_inspector(cls, conf):
+    @staticmethod
+    def _get_inspector(conf):
         # FIXME(sileht): This doesn't looks threadsafe...
         try:
-            inspector = cls._inspector
+            inspector = GenericComputePollster._inspector
         except AttributeError:
             inspector = virt_inspector.get_hypervisor_inspector(conf)
-            cls._inspector = inspector
+            GenericComputePollster._inspector = inspector
         return inspector
 
     @property