docs: def format_exception(cls, instance, trcback, context=1):
      """
      | Formats given exception.
      | The code produce a similar output to :func:`traceback.format_exception` except that it allows frames to be excluded
          from the stack if the given stack trace frame tag is found in the frame locals and set **True**.
  
      :param cls: Exception class.
      :type cls: object
      :param instance: Exception instance.
      :type instance: object
      :param trcback: Traceback.
      :type trcback: Traceback
      :param context: Context being included.
      :type context: int
      :return: Formated exception.
      :rtype: list
      """
  
      stack = extract_stack(get_inner_most_frame(trcback), context=context)
      output = []
      output.append("Traceback (most recent call last):")
      for frame, file_name, line_number, name, context, index in stack:
          output.append("  File \"{0}\", line {1}, in {2}".format(file_name, line_number, name))
          for line in context:
              output.append("    {0}".format(line.strip()))
      for line in traceback.format_exception_only(cls, instance):
          output.append("{0}".format(line))
      return output