Update nipype/interfaces/tests/test_io.py

Co-Authored-By: Chris Markiewicz <effigies@gmail.com>

Author: stilley2

nipype/interfaces/tests/test_io.py

@@ -686,7 +686,7 @@ def test_ExportFile(tmp_path):
     testin = tmp_path / 'in.txt'
     testin.write_text('test string')
     i = nio.ExportFile()
-    i.inputs.in_file = testin
+    i.inputs.in_file = str(testin)
     i.inputs.out_file = str(tmp_path / 'out.tsv')
     i.inputs.check_extension = True
     with pytest.raises(RuntimeError):