Merge pull request #65 from adafruit/unlock-spi-before-deinit

Unlock SPI before deinit

Author: dhalbert

adafruit_dotstar.py

@@ -146,6 +146,7 @@ def deinit(self) -> None:
         self.fill(0)
         self.show()
         if self._spi:
+            self._spi.unlock()
             self._spi.deinit()
         else:
             self.dpin.deinit()