class_docstr: Simple Channel that writes results to a TSV file.
class_docstr_tok: ["Simple","Channel","that","writes","results","to","a","TSV","file","."]
code: def gen_content(self, metrics, loss, preds, targets, scores, context):
      context_values = context.values()
      for i in range(len(preds)):
          # if we are running the metric reporter in memory_efficient mode
          # then we don't store any scores
          if len(scores) == 0:
              res = [preds[i], targets[i]]
          else:
              res = [preds[i], targets[i], scores[i]]
          res.extend([v_list[i] for v_list in context_values])
          yield res
  
imports: import csv
  import sys
  import traceback
  from typing import Tuple
  import numpy
  import torch
  from numpy import linalg
  from pytext.common.constants import Stage
  from pytext.utils.file_io import PathManager
  from torch.utils.tensorboard import SummaryWriter
label_desc: Use image node_id 4 for calling the FileChannel obj's underlying member method code with example usage: obj.gen_content(metrics, loss, preds, targets, scores, context) without return types