Switch to using configobj coming from astropy

src/stpipe/config_parser.py

@@ -10,17 +10,17 @@
 
 from asdf import ValidationError as AsdfValidationError
 from asdf import open as asdf_open
-
-from . import utilities
-from .config import StepConfig
-from .datamodel import AbstractDataModel
-from .extern.configobj.configobj import (
+from astropy.extern.configobj.configobj import (
     ConfigObj,
     Section,
     flatten_errors,
     get_extra_values,
 )
-from .extern.configobj.validate import ValidateError, Validator, VdtTypeError
+from astropy.extern.configobj.validate import ValidateError, Validator, VdtTypeError
+
+from . import utilities
+from .config import StepConfig
+from .datamodel import AbstractDataModel
 from .utilities import _not_set
 
 # Configure logger

src/stpipe/log.py

@@ -9,9 +9,10 @@
 import threading
 from contextlib import contextmanager
 
+from astropy.extern.configobj import validate
+from astropy.extern.configobj.configobj import ConfigObj
+
 from . import config_parser
-from .extern.configobj import validate
-from .extern.configobj.configobj import ConfigObj
 
 STPIPE_ROOT_LOGGER = "stpipe"
 DEFAULT_FORMAT = "%(asctime)s - %(name)s - %(levelname)s - %(message)s"

src/stpipe/pipeline.py

@@ -5,8 +5,9 @@
 from os.path import dirname, join
 from typing import ClassVar
 
+from astropy.extern.configobj.configobj import ConfigObj, Section
+
 from . import config_parser, crds_client, log
-from .extern.configobj.configobj import ConfigObj, Section
 from .step import Step, get_disable_crds_steppars
 from .utilities import _not_set
 

tests/test_config_parser.py

@@ -2,9 +2,9 @@
 from collections.abc import Mapping
 
 import pytest
+from astropy.extern.configobj.configobj import ConfigObj, Section
 
 from stpipe import config_parser
-from stpipe.extern.configobj.configobj import ConfigObj, Section
 from stpipe.utilities import _not_set