MNT: Deprecate unused pydicom_compat module

Author: effigies

nibabel/pydicom_compat.py

@@ -21,11 +21,19 @@
 """
 from __future__ import annotations
 
+import warnings
 from typing import Callable
 
 from .deprecated import deprecate_with_version
 from .optpkg import optional_package
 
+warnings.warn(
+    "We will remove the 'pydicom_compat' module from nibabel 7.0. "
+    "Please consult pydicom's documentation for any future needs.",
+    DeprecationWarning,
+    stacklevel=2,
+)
+
 pydicom, have_dicom, _ = optional_package('pydicom')
 
 read_file: Callable | None = None

nibabel/tests/test_removalschedule.py

@@ -6,6 +6,7 @@
 from ..pkg_info import cmp_pkg_version
 
 MODULE_SCHEDULE = [
+    ('7.0.0', ['nibabel.pydicom_compat']),
     ('5.0.0', ['nibabel.keywordonly', 'nibabel.py3k']),
     ('4.0.0', ['nibabel.trackvis']),
     ('3.0.0', ['nibabel.minc', 'nibabel.checkwarns']),