Traceback (most recent call last):

 "/System/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/threading.py", line 522, in __bootstrap_inner
self.run()

 "./Package Control.py", line 1890, in run

 "./Package Control.py", line 1800, in make_package_list

 "./Package Control.py", line 889, in incoming

 "./Package Control.py", line 808, in execute

 "/System/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/subprocess.py", line 595, in __init__
errread, errwrite)

 "/System/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/subprocess.py", line 1106, in _execute_child
raise child_exceptionOSError: [Errno 2] No such file or directory
Traceback (most recent call last):


 "/home/ubuntu/PerfKitBenchmarker/perfkitbenchmarker/pkb.py", line 874, in RunBenchmarkTask

RunBenchmark(spec, collector)


 "/home/ubuntu/PerfKitBenchmarker/perfkitbenchmarker/pkb.py", line 726, in RunBenchmark

DoProvisionPhase(spec, detailed_timer)


 "/home/ubuntu/PerfKitBenchmarker/perfkitbenchmarker/pkb.py", line 520, in DoProvisionPhase

spec.ConstructVirtualMachines()


 "/home/ubuntu/PerfKitBenchmarker/perfkitbenchmarker/benchmark_spec.py", line 404, in ConstructVirtualMachines

vms = self.ConstructVirtualMachineGroup(group_name, group_spec)


 "/home/ubuntu/PerfKitBenchmarker/perfkitbenchmarker/benchmark_spec.py", line 343, in ConstructVirtualMachineGroup

vm = self._CreateVirtualMachine(group_spec.vm_spec, os_type, cloud)


 "/home/ubuntu/PerfKitBenchmarker/perfkitbenchmarker/benchmark_spec.py", line 659, in _CreateVirtualMachine

vm_class = virtual_machine.GetVmClass(cloud, os_type)


 "/home/ubuntu/PerfKitBenchmarker/perfkitbenchmarker/virtual_machine.py", line 75, in GetVmClass

CLOUD=cloud, OS_TYPE=os_type)


 "/home/ubuntu/PerfKitBenchmarker/perfkitbenchmarker/resource.py", line 47, in GetResourceClass

(base_class.__name__, kwargs))
SubclassNotFoundError: No BaseVirtualMachine subclass defined with the attributes: {'OS_TYPE': 'ubuntu1604', 'CLOUD': 'OpenStack'}
