old_contents: #!/usr/bin/python
  import numpy as N
  
  def u_star(u,v,w):
      '''
  Compute the friction velocity, u_star, from the timeseries of the velocity \
  components u, v, and w (an nD array)
      '''
      from metpy.bl.turb.fluxes import rs as R
      rs = R(u,v,w)
      uw = rs[3]
      vw = rs[4]
  
      us = N.power(N.power(uw,2)+N.power(vw,2),0.25)
  
      return us
  
  def theta_star(u,v,w,T):
      '''
  Compute the friction temperature, theta_star, from the timeseries of the velocity \
  components u, v, and w, and temperature (an nD array)
      '''
      from metpy.bl.turb.fluxes import turb_covar as TC
  
      ts = -TC(w,T)/u_star(u,v,w)
  
      return ts
  
  def obu_length(u,v,w,T):
      '''
  Compute the Obukhov Length, L, using the timeseries of the velocity \
  components u, v, and w, and temperature (an nD array)
      '''
      from metpy.constants import g
      L = N.power(u_star(u,v,w),2)*N.average(T)/(0.4*g*theta_star(u,v,w,T))
  
      return L
  
new_contents: #!/usr/bin/python
  import numpy as N
  
  def u_star(u,v,w):
      '''
      Compute the friction velocity, u_star, from the timeseries of the velocity \
      components u, v, and w (an nD array)
      '''
      from metpy.bl.turb.fluxes import rs as R
      rs = R(u,v,w)
      uw = rs[3]
      vw = rs[4]
  
      us = N.power(N.power(uw,2)+N.power(vw,2),0.25)
  
      return us
  
  def theta_star(u,v,w,T):
      '''
      Compute the friction temperature, theta_star, from the timeseries of the velocity \
      components u, v, and w, and temperature (an nD array)
      '''
      from metpy.bl.turb.fluxes import turb_covar as TC
  
      ts = -TC(w,T)/u_star(u,v,w)
  
      return ts
  
  def obu_length(u,v,w,T):
      '''
      Compute the Obukhov Length, L, using the timeseries of the velocity \
      components u, v, and w, and temperature (an nD array)
      '''
      from metpy.constants import g
      L = N.power(u_star(u,v,w),2)*N.average(T)/(0.4*g*theta_star(u,v,w,T))
  
      return L
  
subject: Indent docstrings.