diff --git a/src/ria_toolkit_oss/viz/recording.py b/src/ria_toolkit_oss/viz/recording.py
index b31d6af..82ad6a4 100644
--- a/src/ria_toolkit_oss/viz/recording.py
+++ b/src/ria_toolkit_oss/viz/recording.py
@@ -291,7 +291,9 @@ def fft_plot(rec: Recording) -> Figure:
         magnitude_db = magnitude_db[::step]
 
     fig = go.Figure()
-    fig.add_trace(go.Scattergl(x=freqs, y=magnitude_db, mode="lines", name="FFT", line=dict(width=0.6, color="#FF6B9D")))
+    fig.add_trace(
+        go.Scattergl(x=freqs, y=magnitude_db, mode="lines", name="FFT", line=dict(width=0.6, color="#FF6B9D"))
+    )
 
     fig.update_layout(
         title="FFT Magnitude",