message: feat: show nice error page in prod
diff: @@ -439,6 +439,10 @@ def show_http_exception(ex: HTTPException) -> FlaskResponse:
  @superset_app.errorhandler(CommandException)
  def show_command_errors(ex: CommandException) -> FlaskResponse:
  logger.warning(ex)
  + if "text/html" in request.accept_mimetypes and not config["DEBUG"]:
  + path = resource_filename("superset", "static/assets/500.html")
  + return send_file(path), 500
  +
  extra = ex.normalized_messages() if isinstance(ex, CommandInvalidError) else {}
  return json_errors_response(
  errors=[
  @@ -457,6 +461,10 @@ def show_command_errors(ex: CommandException) -> FlaskResponse:
  @superset_app.errorhandler(Exception)
  def show_unexpected_exception(ex: Exception) -> FlaskResponse:
  logger.exception(ex)
  + if "text/html" in request.accept_mimetypes and not config["DEBUG"]:
  + path = resource_filename("superset", "static/assets/500.html")
  + return send_file(path), 500
  +
  return json_errors_response(
  errors=[
  SupersetError(
  