removed Darwin get_uptime_facts as it seems to crash on OS X, will waiy for a

patch tested by someone that has access to the platform

lib/ansible/module_utils/facts.py

@@ -1592,7 +1592,6 @@ class Darwin(Hardware):
         self.get_mac_facts()
         self.get_cpu_facts()
         self.get_memory_facts()
-        self.get_uptime_facts()
         return self.facts
 
     def get_sysctl(self):
@@ -1640,11 +1639,6 @@ class Darwin(Hardware):
         if rc == 0:
             self.facts['memfree_mb'] = long(out.splitlines()[-1].split()[1]) / 1024 / 1024
 
-    def get_uptime_facts(self):
-        kern_boottime = self.sysctl['kern.boottime']
-        boottime = datetime.datetime.strptime(kern_boottime, "%a %b %d %H:%M:%S %Y")
-        delta = datetime.datetime.now() - boottime
-        self.facts['uptime_seconds'] = int(delta.total_seconds())
 
 class Network(Facts):
     """