calib: pep8

amodem/calib.py

@@ -9,9 +9,9 @@ from . import config
 from . import wave
 
 CALIBRATION_SYMBOLS = int(1.0 * config.Fs)
-
 ALLOWED_EXCEPTIONS = (IOError, KeyboardInterrupt)
 
+
 def send(wave_play=wave.play):
     t = np.arange(0, CALIBRATION_SYMBOLS) * config.Ts
     signal = [np.sin(2 * np.pi * f * t) for f in config.frequencies]
@@ -30,6 +30,7 @@ def send(wave_play=wave.play):
 
 FRAME_LENGTH = 100 * config.Nsym
 
+
 def recorder(process):
     frame_size = int(wave.bytes_per_sample * FRAME_LENGTH)
     fd = process.stdout
@@ -46,6 +47,7 @@ def recorder(process):
     finally:
         process.kill()
 
+
 def recv(wave_record=wave.record, log=sys.stdout.write):
     t = np.arange(0, FRAME_LENGTH) * config.Ts
     carriers = [np.exp(2j * np.pi * f * t) for f in config.frequencies]