Merge pull request #169 from luxonis/multiple_hosts_fix_docs

Update multiple.rst

Author: Erol444

docs/source/tutorials/multiple.rst

@@ -47,7 +47,16 @@ For example, if the first device is desirable from above use the following code:
 
 .. code-block:: python
 
-  device = depthai.Device.getDeviceByMxId("14442C10D13EABCE00")
+  found, device_info = depthai.Device.getDeviceByMxId("14442C10D13EABCE00")
+  
+  if not found:
+      raise RuntimeError("Device not found!")
+
+You can then use the `device_info` to specify on which device you want to run your pipeline:
+
+.. code-block:: python
+
+  with depthai.Device(pipeline, device_info) as device:
 
 And you can use this code as a basis for your own use cases, such that you can run differing neural models
 on different DepthAI/uAI models.