<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def from_error(exc_info, json_encoder, debug_url=None):
 """Wraps another Exception in an InternalError. :param exc_info: The exception info for the wrapped exception :type exc_info: (type, object, traceback) :type json_encoder: json.JSONEncoder :type debug_url: str | None :rtype: InternalError .. versionadded:: 0.1.0 .. versionchanged:: 0.2.0 Stringifies non-JSON-serializable objects """

        exc = exc_info[1]
        data = exc.__dict__.copy()
        for key, value in data.items():
            try:
                json_encoder.encode(value)
            except TypeError:
                data[key] = repr(value)
        data["traceback"] = "".join(traceback.format_exception(*exc_info))
        if debug_url is not None:
            data["debug_url"] = debug_url
        return InternalError(data)