message: import sys.  Fixes
diff: @@ -16,6 +16,7 @@ import go
  import time
  import numpy as np
  import random
  +import sys
  import coords
  import go
  @@ -23,6 +24,7 @@ from gtp_wrapper import MCTSPlayer
  SIMULTANEOUS_LEAVES = 8
  +
  def play(network, readouts, resign_threshold, verbosity=0):
  ''' Plays out a self-play match, returning
  - the final position
  @@ -60,7 +62,8 @@ def play(network, readouts, resign_threshold, verbosity=0):
  print(player.root.describe())
  if player.should_resign():
  - player.set_result(-1 * player.root.position.to_play, was_resign=True)
  + player.set_result(-1 * player.root.position.to_play,
  + was_resign=True)
  break
  move = player.pick_move()
  player.play_move(move)
  