code: def version_by_pip(package):
      
      command = "pip show {0}".format(package)
      result = execute_get_text(command)
      for line in result.split("\n"):
          if line.startswith("Version"):
              return line.split(":")[0]
      return None
docs: Don't use this for bumping code, unless it is dot installed,
      this is going to look at pip installed packages?
      :param package:
      :return: