pylint raise-from

Author: dhalbert

adafruit_ble/hci.py

@@ -83,8 +83,8 @@ def esp32_hci_init(
     if debug:
         try:
             print(startup_message.decode("utf-8"))
-        except UnicodeError:
-            raise _bleio.BluetoothError("Garbled HCI startup message")
+        except UnicodeError as e:
+            raise _bleio.BluetoothError("Garbled HCI startup message") from e
 
     # pylint: disable=no-member
     _bleio.adapter.hci_uart_init(uart=uart, rts=gpio0_and_rts, cts=cts)