STY: consistency

DimitriPapadopoulos · effigies · web-flow · commit 2e4f649327e1 · 2024-09-24T22:01:15.000+02:00
Co-authored-by: Chris Markiewicz &lt;effigies@gmail.com&gt;
diff --git a/nibabel/tests/test_analyze.py b/nibabel/tests/test_analyze.py
@@ -728,8 +728,8 @@ def test_data_hdr_cache(self):
         IC = self.image_class
         # save an image to a file map
         fm = IC.make_file_map()
-        for key in fm:
-            fm[key].fileobj = BytesIO()
+        for value in fm.values():
+            value.fileobj = BytesIO()
         shape = (2, 3, 4)
         data = np.arange(24, dtype=np.int8).reshape(shape)
         affine = np.eye(4)
