+# SPDX-FileCopyrightText: 2021 Melissa LeBlanc-Williams for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
 """Helper class for use with RP2040 running u2if firmware"""
 # https://github.com/execuc/u2if
 
 
     def _reset(self):
         self._hid_xfer(bytes([self.SYS_RESET]), False)
+        self._hid.close()
         time.sleep(RP2040_U2IF_RESET_DELAY)
         start = time.monotonic()
         while time.monotonic() - start < 5: