##### SUMMARY
strategy contains call to Display.deprecated or AnsibleModule.deprecate and is scheduled for removal

```
lib/ansible/plugins/strategy/__init__.py:937:16: ansible-deprecated-version: Deprecated version ('2.12') found in call to Display.deprecated or AnsibleModule.deprecate (0%)
```

##### ISSUE TYPE
 - Bug Report

##### COMPONENT NAME
```
lib/ansible/plugins/strategy/__init__.py
```

##### ANSIBLE VERSION
```
2.12
```

##### CONFIGURATION
N/A

##### OS / ENVIRONMENT
N/A

##### STEPS TO REPRODUCE
N/A

##### EXPECTED RESULTS
N/A

##### ACTUAL RESULTS
N/A

for sock in itervalues(self._active_connections):
            try:
                conn = Connection(sock)
                conn.reset()
            except ConnectionError as e:
                
                display.debug("got an error while closing persistent connection: %s" % e)
        self._final_q.put(_sentinel)
        self._results_thread.join()
    def run(self, iterator, play_context, result=0):
        
        
        
        
        for host in self._hosts_cache:
            if host not in self._tqm._unreachable_hosts:
                try:
                    iterator.get_next_task_for_host(self._inventory.hosts[host])