def get_brothers(block)
      o = []
      i = 0

      while block.has_parent? && i < @env.config[:max_uncle_depth]
        parent = block.get_parent
        children = get_children(parent).select {|c| c != block }
        o.concat children
        block = parent
        i += 1
      end

      o
    end
def get_brothers(block)
      o = []
      i = 0

      while block.has_parent? && i < @env.config[:max_uncle_depth]
        parent = block.get_parent
        children = get_children(parent).select {|c| c != block }
        o.concat children
        block = parent
        i += 1
      end

      o
    end
Return the uncles of the hypothetical child of `block`.