Fixes premature handler execution after adding force-handlers

lib/ansible/playbook/__init__.py

@@ -601,6 +601,7 @@ class PlayBook(object):
                         play_hosts.append(all_hosts.pop())
                 serialized_batch.append(play_hosts)
 
+        task_errors = False
         for on_hosts in serialized_batch:
 
             # restrict the play to just the hosts we have in our on_hosts block that are
@@ -657,10 +658,12 @@ class PlayBook(object):
                 # if no hosts remain, drop out
                 if not host_list:
                     if self.force_handlers:
-                        if not self.run_handlers(play):
-                            return False
+                        task_errors == True
+                        break
                     else:
-                        self.callbacks.on_no_hosts_remaining()
+                        return False
+
+        if task_errors and not self.force_handlers:
             return False
         else:
             self.inventory.lift_also_restriction()