old_contents: import math
  import utils
  
  def calculatePolsby(district):
      ppScore = 4 * math.pi * district.area / district.perimeter**2
      return ppScore
  
  
  def calculateConvexHull(district):
      chScore = district.area / district.convex_hull.area
      return chScore
  
  def calculateReock(district):
      mbcArea = utils.getMinBoundingCircleArea(district)
      reockScore = district.area /mbcArea
      return reockScore
  
new_contents: import math
  import utils
  
  def calculatePolsby(district):
      ppScore = 4 * math.pi * district.area / district.perimeter**2
      return ppScore
  
  
  def calculateConvexHull(district):
      chScore = district.area / district.convex_hull.area
      return chScore
  
  def calculateReock(district):
      mbcArea = utils.getMinBoundingCircleArea(district)
      reockScore = district.area / mbcArea
      return reockScore
  
subject: Update metrics.py