# File lib/pry/indent.rb, line 93
    def self.nesting_at(str, line_number)
      indent = new
      lines = str.split("\n")
      n = line_number - 1
      to_indent = lines[0...n] << (lines[n] || "").split("def").first(1)
      indent.indent(to_indent.join("\n") << "\n")
      indent.module_nesting
    end