diff --git a/code/eventchirpsplots.py b/code/eventchirpsplots.py
index e0adb14..6fe90b1 100644
--- a/code/eventchirpsplots.py
+++ b/code/eventchirpsplots.py
@@ -6,6 +6,9 @@ import matplotlib.pyplot as plt
 from IPython import embed
 from pandas import read_csv
 from modules.logger import makeLogger
+from modules.datahandling import causal_kde1d
+
+logger = makeLogger(__name__)
 
 class Behavior:
     """Load behavior data from csv file as class attributes