Simplify PushFunc in Unique wrapped slightly

modules/queue/unique_queue_wrapped.go

@@ -91,21 +91,16 @@ func (q *WrappedUniqueQueue) Push(data Data) error {
 
 // PushFunc will push the data to the internal channel checking it against the exemplar
 func (q *WrappedUniqueQueue) PushFunc(data Data, fn func() error) error {
- q.tlock.Lock()
- if q.ready {
- q.tlock.Unlock()
- return q.internal.(UniqueQueue).PushFunc(data, fn)
- }
- q.tlock.Unlock()
-
  if !assignableTo(data, q.exemplar) {
  return fmt.Errorf("Unable to assign data: %v to same type as exemplar: %v in %s", data, q.exemplar, q.name)
  }
+
  q.tlock.Lock()
  if q.ready {
  q.tlock.Unlock()
  return q.internal.(UniqueQueue).PushFunc(data, fn)
  }
+
  locked := true
  defer func() {
  if locked {