message: resolved a couple formatting complaints from pylama
diff: @@ -54,6 +54,7 @@ def is_predicate(pred):
  return True
  return False
  +
  def get_descriptive_string(value, predicate):
  """
  a helper function that formats a predicate and argument in a nice human-readable format
  @@ -64,6 +65,7 @@ def get_descriptive_string(value, predicate):
  """
  return "F({}), where F(x) evaluates\n\t {}".format(value, predicate)
  +
  ##########################################################################################
  # Basic predicates
  ##########################################################################################
  @@ -278,7 +280,8 @@ class is_a_member_of(predicate):
  class is_not_a_member_of(predicate):
  def __init__(self, collection):
  """
  - Constructs a predicate that evaluates if the argument is not equivalent to all members in the set
  + Constructs a predicate that evaluates if the argument is not equivalent to all members in
  + the set
  :param collection: To return true, the predicate must be called on an object that is
  not equivalent to any object in this collection
  """
  