Update load_dicom to accommodate pydicom>=3.0/python>=3.10

spyder_kernels/utils/iofuncs.py

@@ -506,9 +506,16 @@ def load_dicom(filename):
 
         name = osp.splitext(osp.basename(filename))[0]
         try:
-            data = dicomio.read_file(filename, force=True)
+            # For Pydicom 3/Python 3.10+
+            data = dicomio.dcmread(filename, force=True)
         except TypeError:
-            data = dicomio.read_file(filename)
+            data = dicomio.dcmread(filename)
+        except AttributeError:
+            # For Pydicom 2/Python 3.9-
+            try:
+                data = dicomio.read_file(filename, force=True)
+            except TypeError:
+                data = dicomio.read_file(filename)
         arr = data.pixel_array
         return {name: arr}, None
     except Exception as error:

spyder_kernels/utils/tests/test_iofuncs.py

@@ -11,9 +11,10 @@
 """
 
 # Standard library imports
+import copy
 import io
 import os
-import copy
+import sys
 
 # Third party imports
 from PIL import ImageFile
@@ -350,6 +351,10 @@ def test_save_load_hdf5_files(tmp_path):
     assert repr(iofuncs.load_hdf5(h5_file)) == repr(expected)
 
 
+@pytest.mark.skipif(
+    sys.version_info < (3, 10, 0),
+    reason="pydicom 3.0 is incompatible with Python < 3.10"
+)
 def test_load_dicom_files():
     """Check that we can load DICOM files."""
     # This test pass locally but we need to set the variable below for it to