 
             let error = NSError(domain: HeimdallrErrorDomain, code: HeimdallrErrorNotAuthorized, userInfo: userInfo)
             completion(.Failure(error))
-            releaseRequestQueue()
         }
     }
 


                    let error = NSError(domain: HeimdallrErrorDomain, code: HeimdallrErrorNotAuthorized, userInfo: userInfo)
                    completion(.Failure(error))
                    releaseRequestQueue()
                }
            } else {
                let request = authenticateRequest(request, accessToken: accessToken)
                completion(.Success(request))
                releaseRequestQueue()
            }
        } else {
            let userInfo = [
                NSLocalizedDescriptionKey: NSLocalizedString("Could not add authorization to request", comment: ""),
                NSLocalizedFailureReasonErrorKey: NSLocalizedString("Not authorized.", comment: "")

                        }))
                    }
                } else {
                    defer {
                        self.releaseRequestQueue()
                    }
                    let userInfo = [
                        NSLocalizedDescriptionKey: NSLocalizedString("Could not add authorization to request", comment: ""),
                        NSLocalizedFailureReasonErrorKey: NSLocalizedString("Access token expired, no refresh token available.", comment: "")
