Fixed linting error. Blackened.

Author: ryanskeith

adafruit_circuitplayground/circuit_playground_base.py

@@ -36,6 +36,7 @@
 __version__ = "0.0.0-auto.0"
 __repo__ = "https://github.com/adafruit/Adafruit_CircuitPython_CircuitPlayground.git"
 
+
 class Photocell:
     """Simple driver for analog photocell on the Circuit Playground Express and Bluefruit."""
 
@@ -722,7 +723,9 @@ def play_tone(self, frequency, duration, waveform=SINE_WAVE):
 
         :param int frequency: The frequency of the tone in Hz
         :param float duration: The duration of the tone in seconds
-        :param str waveform: Type of waveform to be generated [SINE_WAVE, SQUARE_WAVE]. Default = SINE_WAVE.
+        :param str waveform: Type of waveform to be generated [SINE_WAVE, SQUARE_WAVE].
+
+        Default is SINE_WAVE.
 
         .. image :: ../docs/_static/speaker.jpg
           :alt: Onboard speaker
@@ -745,7 +748,9 @@ def start_tone(self, frequency, waveform=SINE_WAVE):
         the pitch of the tone.
 
         :param int frequency: The frequency of the tone in Hz
-        :param str waveform: Type of waveform to be generated [SINE_WAVE, SQUARE_WAVE]. Default = SINE_WAVE.
+        :param str waveform: Type of waveform to be generated [SINE_WAVE, SQUARE_WAVE].
+
+        Default is SINE_WAVE.
 
         .. image :: ../docs/_static/speaker.jpg
           :alt: Onboard speaker