  from __future__ import print_function
  
  import os
  import subprocess
  
  import pytest
  
  PYTEST_ARGS = {
      'default': ['tests', '--tb=short'],
      'fast': ['tests', '--tb=short', '-q'],
 
</s> remove commands = ./runtests.py --lintonly
 </s> add 
import sys
  from __future__ import print_function
  
  import os
  import subprocess
import sys
  
  import pytest
  
  PYTEST_ARGS = {
      'default': ['tests', '--tb=short'],
      'fast': ['tests', '--tb=short', '-q'],
keep keep keep add keep keep keep keep keep keep
 Setup isort for code style linting 
runtests.py