Update adafruit_ble/services/standard/device_info.py

Co-authored-by: Scott Shawcroft <scott@tannewt.org>

Author: dhalbert

adafruit_ble/services/standard/device_info.py

@@ -73,10 +73,7 @@ def __init__(
                 except ImportError:
                     pass
             if firmware_revision is None:
-                try:
-                    firmware_revision = os.uname().version
-                except AttributeError:
-                    pass
+                firmware_revision = getattr(os.uname(), "version", None)
         super().__init__(
             manufacturer=manufacturer,
             software_revision=software_revision,