Fix pylint warning

Louis Bertrand · Louis Bertrand · commit 972f828cfadd · 2019-08-07T16:09:42.000-04:00
Removed trailing spaces to resolve PyLint warning.
diff --git a/adafruit_ds18x20.py b/adafruit_ds18x20.py
@@ -121,7 +121,7 @@ def start_temperature_read(self):
         with self._device as dev:
             dev.write(_CONVERT)
         return _CONVERSION_DELAY[self.resolution]
-    
+
     def read_temperature(self):
         """Read the temperature. No polling of the conversion busy bit
         (assumes that the conversion has completed)."""
