old_contents: import os
  import re
  from pathlib import Path
  import numpy as np
  
  PYRATEPATH = Path(__file__).parent.parent
  
  
  __version__ = "0.4.0"
  CLI_DESCRIPTION = """
  PyRate workflow: 
  
      Step 1: conv2tif
      Step 2: prepifg
      Step 3: process
      Step 4: merge 
  
  Refer to https://geoscienceaustralia.github.io/PyRate/usage.html for 
  more details.
  """
  from mpi4py import MPI
  comm = MPI.COMM_WORLD
  NO_OF_PARALLEL_PROCESSES = comm.Get_size()
  
  CONV2TIF = 'conv2tif'
  PREPIFG = 'prepifg'
  PROCESS = 'process'
  MERGE = 'merge'
  
  # distance division factor of 1000 converts to km and is needed to match legacy output
  DISTFACT = 1000
  # mappings for metadata in header for interferogram
  GAMMA_DATE = 'date'
  GAMMA_TIME = 'center_time'
  GAMMA_WIDTH = 'width'
  GAMMA_NROWS = 'nlines'
  GAMMA_CORNER_LAT = 'corner_lat'
  GAMMA_CORNER_LONG = 'corner_lon'
  GAMMA_Y_STEP = 'post_lat'
  GAMMA_X_STEP = 'post_lon'
  GAMMA_DATUM = 'ellipsoid_name'
  GAMMA_FREQUENCY = 'radar_frequency'
  GAMMA_INCIDENCE = 'incidence_angle'
  # RADIANS = 'RADIANS'
  # GAMMA = 'GAMMA'
  # value assigned to no-data-value
  LOW_FLOAT32 = np.finfo(np.float32).min*1e-10
  
  SIXTEEN_DIGIT_EPOCH_PAIR = r'\d{8}-\d{8}'
  sixteen_digits_pattern = re.compile(SIXTEEN_DIGIT_EPOCH_PAIR)
  TWELVE_DIGIT_EPOCH_PAIR = r'\d{6}-\d{6}'
  twelve_digits_pattern = re.compile(TWELVE_DIGIT_EPOCH_PAIR)
  EIGHT_DIGIT_EPOCH = r'\d{8}'
  PTN = re.compile(EIGHT_DIGIT_EPOCH)  # match 8 digits for the dates
  
new_contents: import os
  import re
  from pathlib import Path
  import numpy as np
  
  PYRATEPATH = Path(__file__).parent.parent
  
  
  __version__ = "0.4.3"
  CLI_DESCRIPTION = """
  PyRate workflow: 
  
      Step 1: conv2tif
      Step 2: prepifg
      Step 3: correct
      Step 4: timeseries
      Step 5: stack
      Step 6: merge
  
  Refer to https://geoscienceaustralia.github.io/PyRate/usage.html for 
  more details.
  """
  from mpi4py import MPI
  comm = MPI.COMM_WORLD
  NO_OF_PARALLEL_PROCESSES = comm.Get_size()
  
  CONV2TIF = 'conv2tif'
  PREPIFG = 'prepifg'
  CORRECT = 'correct'
  TIMESERIES = 'timeseries'
  STACK = 'stack'
  MERGE = 'merge'
  
  # distance division factor of 1000 converts to km and is needed to match legacy output
  DISTFACT = 1000
  # mappings for metadata in header for interferogram
  GAMMA_DATE = 'date'
  GAMMA_TIME = 'center_time'
  GAMMA_WIDTH = 'width'
  GAMMA_NROWS = 'nlines'
  GAMMA_CORNER_LAT = 'corner_lat'
  GAMMA_CORNER_LONG = 'corner_lon'
  GAMMA_Y_STEP = 'post_lat'
  GAMMA_X_STEP = 'post_lon'
  GAMMA_DATUM = 'ellipsoid_name'
  GAMMA_FREQUENCY = 'radar_frequency'
  GAMMA_INCIDENCE = 'incidence_angle'
  # RADIANS = 'RADIANS'
  # GAMMA = 'GAMMA'
  # value assigned to no-data-value
  LOW_FLOAT32 = np.finfo(np.float32).min*1e-10
  
  SIXTEEN_DIGIT_EPOCH_PAIR = r'\d{8}-\d{8}'
  sixteen_digits_pattern = re.compile(SIXTEEN_DIGIT_EPOCH_PAIR)
  TWELVE_DIGIT_EPOCH_PAIR = r'\d{6}-\d{6}'
  twelve_digits_pattern = re.compile(TWELVE_DIGIT_EPOCH_PAIR)
  EIGHT_DIGIT_EPOCH = r'\d{8}'
  PTN = re.compile(EIGHT_DIGIT_EPOCH)  # match 8 digits for the dates
  
subject: update steps given with command line usage of `pyrate -h`