rename simpletest.py -> si4713_simpletest.py; tweak whitespace per pylint

Author: Brennen Bearnes

adafruit_si4713.py

@@ -127,7 +127,7 @@ def __init__(self, i2c, *, address=_SI4710_ADDR1, reset=None, timeout_s=0.1):
         if self._reset is not None:
             self._reset.switch_to_output(value=True)
 
-            # Toggle reset line low to reset the chip and then wait a bit for 
+            # Toggle reset line low to reset the chip and then wait a bit for
             # startup - this is necessary before initializing as an i2c device
             # on at least the Raspberry Pi, and potentially elsewhere:
             self._reset.value = True

examples/simpletest.py renamed to examples/si4713_simpletest.py

@@ -8,7 +8,6 @@
 
 import adafruit_si4713
 
-
 # Specify the FM frequency to transmit on in kilohertz.  As the datasheet
 # mentions you can only specify 50khz steps!
 FREQUENCY_KHZ = 102300  # 102.300mhz