dfu: reboot after restore

The leave command tells the device to leave DFU mode, effectively
rebooting it. This is much easier than unplugging the device and
fiddling with buttons.

Author: dlech

CHANGELOG.md

@@ -9,6 +9,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## Changed
 - Changed udev rules to use `TAG+="uaccess"` instead of `MODE="0666"`.
 
+## Fixed
+- Fixed device not rebooting after `dfu restore`.
+
 ## [1.0.0-alpha.13] - 2021-08-06
 
 ### Fixed

pybricksdev/dfu.py

@@ -146,7 +146,7 @@ def restore_dfu(file: BinaryIO) -> None:
                         "--alt",
                         "0",
                         "--dfuse-address",
-                        f"{FIRMWARE_ADDRESS}",
+                        f"{FIRMWARE_ADDRESS}:leave",
                         "--download",
                         file.name,
                     ]