message: Initialize nccl_lib_path.
diff: @@ -1182,6 +1182,7 @@ def set_tf_nccl_install_path(environ_cp):
  if is_windows() or is_cygwin():
  nccl_install_path = cygpath(nccl_install_path)
  + nccl_lib_path = ''
  if is_windows():
  nccl_lib_path = 'lib/x64/nccl.lib'
  elif is_linux():
  