Fix typo: & -> and

`and` is the boolean operator for AND in [Python][1].
`&` is the bitwise operator for AND in [Python][2].

[1]: https://docs.python.org/2/reference/expressions.html#boolean-operations
[2]: https://docs.python.org/2/reference/expressions.html#binary-bitwise-operations

lib/ansible/runner/poller.py

@@ -32,7 +32,7 @@ class AsyncPoller(object):
 
         # flag to determine if at least one host was contacted
         self.active = False
-        # True to work with & below
+        # True to work with the `and` below
         skipped = True
         jid = None
         for (host, res) in results['contacted'].iteritems():
@@ -42,7 +42,7 @@ class AsyncPoller(object):
                 self.runner.vars_cache[host]['ansible_job_id'] = jid
                 self.active = True
             else:
-                skipped = skipped & res.get('skipped', False)
+                skipped = skipped and res.get('skipped', False)
                 self.results['contacted'][host] = res
         for (host, res) in results['dark'].iteritems():
             self.runner.vars_cache[host]['ansible_job_id'] = ''