class_docstr: Generate data for a custom CSV dataset.
  
  See https://github.com/fizyr/keras-retinanet#csv-datasets for more information.
class_docstr_tok: ["Generate","data","for","a","custom","CSV","dataset",".","See","https",":","\/\/github.com\/fizyr\/keras-retinanet","#","csv-datasets","for","more","information","."]
docstr: Returns True if name is a known class.
          
docstr_tok: ["Returns","True","if","name","is","a","known","class","."]
code: def has_name(self, name):
      """Returns True if name is a known class."""
      return name in self.classes
  
imports: from .generator import Generator
  from ..utils.image import read_image_bgr
  import numpy
  from PIL import Image
  from six import raise_from
  import csv
  import sys
  import os.path
  from collections import OrderedDict
label_desc: Use image node_id 5 for calling the CSVGenerator obj's underlying member method code with example usage: obj.has_name(name) and returns: unknown