fixed import bug

pin/__init__.py

@@ -129,7 +129,7 @@ class GPIOWrapper(object):
     def load_rpi_gpio(self):
         try:
             self.gpio = False
-            self.gpio = __import__("RPi.GPIO",fromlist=GPIO)
+            self.gpio = __import__("RPi.GPIO",fromlist="GPIO")
         except ImportError as e:
             lgpio.debug("failed to import RPi.GPIO")
             print("134")