update magnetic to tuple

kattni · kattni · commit a7135b248ce0 · 2018-03-01T18:58:24.000-05:00
diff --git a/adafruit_lsm303.py b/adafruit_lsm303.py
@@ -160,7 +160,7 @@ def raw_magnetic(self):
         """
         self._read_bytes(self._mag_device, _REG_MAG_OUT_X_H_M, 6, self._BUFFER)
         raw_values = struct.unpack_from('>hhh', self._BUFFER[0:6])
-        return [n >> 4 for n in raw_values]
+        return tuple([n >> 4 for n in raw_values])
 
     @property
     def magnetic(self):
