diff --git a/doc/changes/dev/13551.other.rst b/doc/changes/dev/13551.other.rst
new file mode 100644
index 00000000000..03f241cde12
--- /dev/null
+++ b/doc/changes/dev/13551.other.rst
@@ -0,0 +1 @@
+- Refactor f-strings in ``mne/tests/test_import_nesting.py`` (:gh:`13551` by :newcontrib:`shruti423`).
\ No newline at end of file
diff --git a/mne/tests/test_import_nesting.py b/mne/tests/test_import_nesting.py
index 6904e9ff755..72cc646f370 100644
--- a/mne/tests/test_import_nesting.py
+++ b/mne/tests/test_import_nesting.py
@@ -242,7 +242,7 @@ def generic_visit(self, node):
                        and sys.modules[x] is not None)
 bad = scipy_submodules - ok_scipy_submodules
 if len(bad) > 0:
-    out |= {'scipy submodules: %s' % list(bad)}
+    out |= {f'scipy submodules: {list(bad)}'}
 
 # check sklearn and others
 for x in sys.modules.keys():
@@ -253,7 +253,7 @@ def generic_visit(self, node):
             x = '.'.join(x.split('.')[:2])
             out |= {x}
 if len(out) > 0:
-    print('\\nFound un-nested import(s) for %s' % (sorted(out),), end='')
+    print(f'\\nFound un-nested import(s) for {sorted(out)}', end='')
 exit(len(out))
 
 # but this should still work