isce-framework · madwilliam · Aug 26, 2026 · Sep 2, 2026
diff --git a/bin/geo2rdr.py b/bin/geo2rdr.py
@@ -3,7 +3,6 @@
 import numpy as np
 import argparse
 from osgeo import gdal
-import sys
 import os
 
 import isce3

diff --git a/bin/rdr2geo.py b/bin/rdr2geo.py
@@ -3,7 +3,6 @@
 import numpy as np
 import argparse
 from osgeo import gdal
-import sys
 import os
 import isce3
 from nisar.products.readers import SLC

diff --git a/python/packages/isce3/atmosphere/tec_product.py b/python/packages/isce3/atmosphere/tec_product.py
@@ -1,7 +1,6 @@
 '''
 Package to compute TEC LUT from JSON file
 '''
-from datetime import datetime, timedelta
 import json
 import os
 

diff --git a/python/packages/isce3/cal/point_target_info.py b/python/packages/isce3/cal/point_target_info.py
@@ -21,12 +21,10 @@
 class MissingNull(Exception):
     """Raised when mainlobe null(s) cannot be determined"""
 
-    pass
 
 class UnsupportedWindow(Exception):
     """Raised if window_type input is not supported."""
 
-    pass
 
 def get_chip(x: DatasetReader, i: float, j: float, nchip: int = 64) -> np.ndarray:
     """

diff --git a/python/packages/isce3/core/rdr_geo_block_generator.py b/python/packages/isce3/core/rdr_geo_block_generator.py
@@ -1,6 +1,5 @@
 import journal
 import numpy as np
-import os
 
 import isce3
 

diff --git a/python/packages/isce3/focus/valid_regions.py b/python/packages/isce3/focus/valid_regions.py
@@ -2,7 +2,6 @@
 from .sar_duration import get_sar_duration
 from copy import deepcopy
 from dataclasses import dataclass
-from functools import reduce
 import isce3
 import numpy as np
 import shapely

diff --git a/python/packages/isce3/io/background.py b/python/packages/isce3/io/background.py
@@ -72,7 +72,6 @@ def process(self, *args, **kw):
         """
         User-defined task to operate in background thread.
         """
-        pass
 
     def queue_work(self, *args, **kw):
         """
@@ -146,7 +145,6 @@ def write(self, *args, **kw):
         """
         User-defined method for writing data.
         """
-        pass
 
 
 class BackgroundReader(BackgroundWorker):
@@ -199,4 +197,3 @@ def read(self, *args, **kw):
         """
         User-defined method for reading a chunk of data.
         """
-        pass
diff --git a/python/packages/nisar/antenna/beamformer.py b/python/packages/nisar/antenna/beamformer.py
@@ -18,7 +18,6 @@
 
 class BadHPACalWarning(Warning):
     """Warning for Bad HPA CAL values"""
-    pass
 
 
 class ElevationBeamformer(ABC):

diff --git a/python/packages/nisar/antenna/pattern.py b/python/packages/nisar/antenna/pattern.py
@@ -1,4 +1,3 @@
-from warnings import warn
 from collections import defaultdict
 from isce3.core import Orbit, Attitude, Linspace
 from isce3.geometry import DEMInterpolator

diff --git a/python/packages/nisar/cal/corner_reflector_slc_func.py b/python/packages/nisar/cal/corner_reflector_slc_func.py
@@ -46,7 +46,6 @@ class CRInfoSlc:
 
 class OutOfSlcBoundWarning(UserWarning):
     """Warning when CR LLH is out of SLC azimuth-range bound"""
-    pass
 
 
 # functions

diff --git a/python/packages/nisar/cal/faraday_rotation_angle_slc.py b/python/packages/nisar/cal/faraday_rotation_angle_slc.py
@@ -448,7 +448,6 @@ def estimate(self, azt_blk_size=5.0, sr_blk_size=3000.0,
             Too small block sizes in either range or azimuth.
 
         """
-        pass
 
 
 class FaradayRotEstBickelBates(FaradayRotAngleSlc):

diff --git a/python/packages/nisar/cal/pol_channel_imbalance_slc.py b/python/packages/nisar/cal/pol_channel_imbalance_slc.py
@@ -18,7 +18,6 @@
 
 class OutOfSlcBoundError(Exception):
     """Azimuth time or slant range values are out of SLC data boundary"""
-    pass
 
 
 @dataclass(frozen=True)

diff --git a/python/packages/nisar/products/insar/granule_id.py b/python/packages/nisar/products/insar/granule_id.py
@@ -1,4 +1,3 @@
-from datetime import datetime
 
 import h5py
 import journal

diff --git a/python/packages/nisar/products/readers/GenericProduct/GCOV.py b/python/packages/nisar/products/readers/GenericProduct/GCOV.py
@@ -1,7 +1,6 @@
 # -*- coding: utf-8 -*-
 from __future__ import annotations
 
-import os
 import h5py
 import pyre
 

diff --git a/python/packages/nisar/products/readers/instrument/instrument_parser.py b/python/packages/nisar/products/readers/instrument/instrument_parser.py
@@ -15,7 +15,6 @@
 
 class MissingInstrumentFieldWarning(UserWarning):
     """Used for missing field in instrument table """
-    pass
 
 
 class InstrumentParser:

diff --git a/python/packages/nisar/products/readers/rslc_cal.py b/python/packages/nisar/products/readers/rslc_cal.py
@@ -6,7 +6,7 @@
 import logging
 from numpy import angle, deg2rad, rad2deg, exp, pi
 from ruamel.yaml import YAML
-from typing import List, Optional, Tuple, Union
+from typing import Optional, Tuple, Union
 
 
 log = logging.getLogger("rslc_cal")

diff --git a/python/packages/nisar/products/writers/SLC.py b/python/packages/nisar/products/writers/SLC.py
@@ -4,7 +4,6 @@
 import numpy as np
 from numpy.linalg import norm
 from numpy.testing import assert_allclose
-import os
 from shapely import Polygon
 from typing import Optional
 import isce3

diff --git a/python/packages/nisar/workflows/focus.py b/python/packages/nisar/workflows/focus.py
@@ -5,7 +5,6 @@
 from functools import reduce
 import h5py
 from itertools import chain
-import json
 import logging
 import math
 import os

diff --git a/python/packages/nisar/workflows/geogrid.py b/python/packages/nisar/workflows/geogrid.py
@@ -1,7 +1,6 @@
 '''
 collection of functions for determining and setting geogrid
 '''
-import copy
 
 import numpy as np
 from osgeo import osr

diff --git a/share/stack/.gitignore b/share/stack/.gitignore
@@ -0,0 +1 @@
+pyproject.toml
-Original file line number
+Diff line change
@@ Expand Up / @@ -18,7 +18,6 @@ @@
     class BadHPACalWarning(Warning):
         """Warning for Bad HPA CAL values"""
-        pass
     class ElevationBeamformer(ABC):
@@ Expand Down @@