Merge pull request #43 from ng-labo/resource-leak-fix

fixed a resource leak

Author: Gadgetoid

python/VL53L1X.py

@@ -89,12 +89,15 @@ def __init__(self, i2c_bus=1, i2c_address=0x29, tca9548a_num=255, tca9548a_addr=
         self._tca9548a_num = tca9548a_num
         self._tca9548a_addr = tca9548a_addr
 
-        self._i2c = SMBus(i2c_bus)
-        try:
-            if tca9548a_num == 255:
+        self._i2c = SMBus()
+        if tca9548a_num == 255:
+            try:
+                self._i2c.open(bus=self._i2c_bus)
                 self._i2c.read_byte_data(self.i2c_address, 0x00)
-        except IOError:
-            raise RuntimeError("VL53L1X not found on adddress: {:02x}".format(self.i2c_address))
+            except IOError:
+                raise RuntimeError("VL53L1X not found on adddress: {:02x}".format(self.i2c_address))
+            finally:
+                self._i2c.close()
 
         self._dev = None
         # Register Address