diff --git a/.jupytext.toml.py b/.jupytext.toml.py
new file mode 100644
index 0000000..68e44d9
--- /dev/null
+++ b/.jupytext.toml.py
@@ -0,0 +1,2 @@
+# Always pair ipynb notebooks to py:percent files
+formats = ["ipynb", "py:percent"]
\ No newline at end of file
diff --git a/exploration/ml_pipeline_stress_event_cleaned.py b/exploration/ml_pipeline_stress_event_cleaned.py
index 9bef7f9..0c79b8f 100644
--- a/exploration/ml_pipeline_stress_event_cleaned.py
+++ b/exploration/ml_pipeline_stress_event_cleaned.py
@@ -120,6 +120,7 @@ sum(data_y.isna())
 
 # %% [markdown]
 # ### Baseline: Dummy Regression (mean)
+# %%
 dummy_regr = DummyRegressor(strategy="mean")
 
 # %% jupyter={"source_hidden": true}