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XIONControlPanel/Servers/WemoServer.swift

@@ -76,17 +76,15 @@ class WemoServer : Server
     func fetchDevices(_ completion: @escaping (Result<[AnyDevice], Error>) -> Void)
     {
         let op = FetchDevicesOperation(baseURL: self.baseURL, session: _urlSession)
-        weak var weakOp = op
-        op.completionBlock = {
-            guard let strongOp = weakOp else { return }
-            if let error = strongOp.error {
+        op.completionBlock = { [unowned op] in
+            if let error = op.error {
                 self._logError("Error fetching devices", error: error)
                 completion(.failure(error))
             } else {
-                self.devices = strongOp.devices
+                self.devices = op.devices
             }
             
-            self.devices = strongOp.devices
+            self.devices = op.devices
             completion(.success(self.devices.map { AnyDevice($0) }))
         }