code: def setup(self, freq, attr):
      self.per = Period("2012-06-01", freq=freq)
  
imports: import numpy
  from pandas._libs.tslibs.period import Period, periodarr_to_dt64arr
  from pandas.tseries.frequencies import to_offset
  from .tslib import _sizes, _tzs, tzlocal_obj
label_desc: Use image node_id 1 for calling the PeriodProperties obj's underlying member method code with example usage: obj.setup(freq, attr) without return types