old_contents: import logging
  from flask import Blueprint, current_app, jsonify
  
  from tmserver.error import register_http_error_classes
  
  jtui = Blueprint('jtui', __name__)
  
  logger = logging.getLogger(__name__)
  
  
  def register_error(cls):
      """Decorator to register exception classes as errors that can be
      serialized to JSON"""
      @jtui.errorhandler(cls)
      def handle_invalid_usage(error):
          current_app.logger.error(error)
          response = jsonify(error=error)
          response.status_code = error.status_code
          return response
      return cls
  
  
  register_http_error_classes(jtui.errorhandler)
  
  
  import tmserver.jtui.api
  
  
  
new_contents: import logging
  from flask import Blueprint
  
  
  jtui = Blueprint('jtui', __name__)
  
  logger = logging.getLogger(__name__)
  
  import tmserver.jtui.api
  
  
  
subject: Remove jtui blueprint specific error handler