code: def time_normalize_i8_timestamps(self, size, tz):
      # 10 i.e. NPY_FR_ns
      normalize_i8_timestamps(self.i8data, tz, 10)
  
imports: import pandas
  from .tslib import _sizes, _tzs, tzlocal_obj
label_desc: Use image node_id 2 for calling the Normalize obj's underlying member method code with example usage: obj.time_normalize_i8_timestamps(size, tz) without return types