Update rig.py

Author: Sun-flow

src/aind_data_schema/rig.py

@@ -120,7 +120,7 @@ def validate_device_names(cls, values):  # noqa: C901
         if daqs is None:
             return values
 
-        for device_type in [daqs, stimulus_devices, light_sources, patch_coords,detectors, digital_micromirror_devices, polygonal_scanners, pockels_cells, additional_devices]:
+        for device_type in [daqs, stimulus_devices, light_sources, patch_coords, detectors, digital_micromirror_devices, polygonal_scanners, pockels_cells, additional_devices]:
             if device_type is not None:
                 device_names += [device.name for device in device_type]