fix when killing before eval

tools/analysis_tools/analyze_logs.py

@@ -57,6 +57,13 @@ def plot_curve(log_dicts, args):
  ys = []
  for epoch in epochs[args.interval - 1::args.interval]:
  ys += log_dict[epoch][metric]
+
+ # if training is aborted before eval of the last epoch
+ # xs and ys will have different length and cause an error
+ # check if ys[-1] is empty here
+ if not log_dict[epoch][metric]:
+ xs = xs[:-1]
+
  ax = plt.gca()
  ax.set_xticks(xs)
  plt.xlabel('epoch')