old_contents: from . import InputExample
  import csv
  import gzip
  import os
  
  class LabelSentenceReader:
      """Reads in a file that has at least two columns: a label and a sentence.
      This reader can for example be used with the BatchHardTripletLoss.
      Maps labels automatically to integers"""
      def __init__(self, folder, label_col_idx=0, sentence_col_idx=1, seperator='\t'):
          self.folder = folder
          self.label_map = {}
          self.label_col_idx = label_col_idx
          self.sentence_col_idx = sentence_col_idx
          self.seperator = seperator
  
      def get_examples(self, filename, max_examples=0):
          examples = []
  
          id = 0
          for line in open(os.path.join(self.folder, filename), encoding="utf-8"):
              splits = line.strip().split(self.seperator)
              label = splits[self.label_col_idx]
              sentence = splits[self.sentence_col_idx]
  
              if label not in self.label_map:
                  self.label_map[label] = len(self.label_map)
  
              label_id = self.label_map[label]
              guid = "%s-%d" % (filename, id)
              id += 1
              examples.append(InputExample(guid=guid, texts=[sentence], label=label_id))
  
              if 0 < max_examples <= id:
                  break
  
          return examples
  
new_contents: from . import InputExample
  import csv
  import gzip
  import os
  
  class LabelSentenceReader:
      """Reads in a file that has at least two columns: a label and a sentence.
      This reader can for example be used with the BatchHardTripletLoss.
      Maps labels automatically to integers"""
      def __init__(self, folder, label_col_idx=0, sentence_col_idx=1, separator='\t'):
          self.folder = folder
          self.label_map = {}
          self.label_col_idx = label_col_idx
          self.sentence_col_idx = sentence_col_idx
          self.separator = separator
  
      def get_examples(self, filename, max_examples=0):
          examples = []
  
          id = 0
          for line in open(os.path.join(self.folder, filename), encoding="utf-8"):
              splits = line.strip().split(self.separator)
              label = splits[self.label_col_idx]
              sentence = splits[self.sentence_col_idx]
  
              if label not in self.label_map:
                  self.label_map[label] = len(self.label_map)
  
              label_id = self.label_map[label]
              guid = "%s-%d" % (filename, id)
              id += 1
              examples.append(InputExample(guid=guid, texts=[sentence], label=label_id))
  
              if 0 < max_examples <= id:
                  break
  
          return examples
  
subject: Update LabelSentenceReader.py