code: def np_datetime64_compat(s, *args, **kwargs):
      
      s = tz_replacer(s)
      return np.datetime64(s, *args, **kwargs)
docs: provide compat for construction of strings to numpy datetime64's with
      tz-changes in 1.11 that make '2015-01-01 09:00:00Z' show a deprecation
      warning, when need to pass '2015-01-01 09:00:00'