code: def render(self, context, instance, placeholder):
          ''' Add the cart-specific context to this form '''
          context = super(SquareCheckoutFormPlugin, self).render(context, instance, placeholder)
  
          context.update({
              'squareApplicationId': getattr(settings,'SQUARE_APPLICATION_ID',''),
          })
  
          return contexf render(self, context, instance, placeholder):
          ''' Add the cart-specific context to this form '''
          context = super(SquareCheckoutFormPlugin, self).render(context, instance, placeholder)
  
          context.update({
              'squareApplicationId': getattr(settings,'SQUARE_APPLICATION_ID',''),
          })
  
          return context
docs: Add the cart-specific context to this form