ansible 2.0.2.0

 93         try:
 94             f = codecs.open(cachefile, 'w', encoding='utf-8')
 95         except (OSError,IOError) as e:
 96             display.warning("error while trying to write to %s : %s" % (cachefile, to_bytes(e)))
 97             pass
 98         else:
 99             f.write(jsonify(value))
100         finally:
101             f.close()

Traceback (most recent call last):
  File "/usr/bin/ansible-playbook", line 86, in <module>
    sys.exit(cli.run())
  File "/usr/lib/python2.6/site-packages/ansible/cli/playbook.py", line 150, in run
    results = pbex.run()
  File "/usr/lib/python2.6/site-packages/ansible/executor/playbook_executor.py", line 140, in run
    result = self._tqm.run(play=play)
  File "/usr/lib/python2.6/site-packages/ansible/executor/task_queue_manager.py", line 238, in run
    play_return = strategy.run(iterator, play_context)
  File "/usr/lib/python2.6/site-packages/ansible/plugins/strategy/linear.py", line 268, in run
    results += self._wait_on_pending_results(iterator)
  File "/usr/lib/python2.6/site-packages/ansible/plugins/strategy/__init__.py", line 354, in _wait_on_pending_results
    results = self._process_pending_results(iterator)
  File "/usr/lib/python2.6/site-packages/ansible/plugins/strategy/__init__.py", line 331, in _process_pending_results
    self._variable_manager.set_host_facts(target_host, facts)
  File "/usr/lib/python2.6/site-packages/ansible/vars/__init__.py", line 580, in set_host_facts
    self._fact_cache.update(host.name, facts)
  File "/usr/lib/python2.6/site-packages/ansible/plugins/cache/__init__.py", line 77, in update
    self._plugin.set(key, host_cache)
  File "/usr/lib/python2.6/site-packages/ansible/plugins/cache/jsonfile.py", line 101, in set
    f.close()
UnboundLocalError: local variable 'f' referenced before assignment