message: Update cython_windows.py
diff: @@ -3,6 +3,7 @@ import sys
  import subprocess
  import logging
  import pkg_resources
  +import time
  from serial import Serial
  @@ -31,6 +32,7 @@ def install_com0com ():
  logging.error ('stdout is %s' % out)
  logging.error ('stderr is %s' % err)
  raise Exception ('com0com installation failure')
  + time.sleep (60)
  return directory
  def get_ports_windows ():
  