diff --git a/code/useful_functions.py b/code/useful_functions.py
index cd83e83..d5e3574 100644
--- a/code/useful_functions.py
+++ b/code/useful_functions.py
@@ -325,7 +325,7 @@ def sam_data(sam):
     sam_eodf = np.mean(eodfs)
     sam_nyquist = np.mean(ny_freqs)
     sam_stim = np.mean(stim_freqs)
-    return sam_amp, sam_am,sam_df, sam_eodf, sam_nyquist, sam_stim
+    return sam_amp, sam_am, sam_df, sam_eodf, sam_nyquist, sam_stim
 
 def spike_times(stim):
     """