docs: def check_value(
          config,
          section,
          option,
          jinja_pattern=JINJA_PATTERN,
  ):
      """try to figure out if value is valid or jinja2 template value
  
      Args:
          config (:obj:`configparser.ConfigParser`): config object to read key from
          section (str): name of section in configparser
          option (str): name of option in configparser
          jinja_pattern (:obj:`_sre.SRE_Pattern`): a `re.compile()` pattern to match on
  
      Returns:
          str: value if value, else None
  
      Raises:
          KeyError:
          configparser.NoOptionError:
          configparser.NoSectionError:
  
      """
      value = config[section][option]
      if re.match(jinja_pattern, value):
          return None
  
      return value