Updated doppler_effect_of_sound.py

physics/doppler_effect_of_sound.py

@@ -44,7 +44,6 @@
 in the medium, the velocity of the observer and the velocity of the source.
 """
 
-
 def doppler_effect(f0: float, v: float, v0: float, vs: float) -> float:
     """
     Input Parameters:
@@ -94,7 +93,6 @@ def doppler_effect(f0: float, v: float, v0: float, vs: float) -> float:
         return None
     return f
 
-
 if __name__ == "__main__":
     import doctest