diff --git a/.gitignore b/.gitignore
index d5401f8..04237af 100644
--- a/.gitignore
+++ b/.gitignore
@@ -164,3 +164,4 @@ cython_debug/
 # local scripts
 src/local
 src/analysis
+src/examples
diff --git a/src/iblphotometry/processing.py b/src/iblphotometry/processing.py
index 415a3ae..8ab3f48 100644
--- a/src/iblphotometry/processing.py
+++ b/src/iblphotometry/processing.py
@@ -2,7 +2,6 @@
 import warnings
 
 import numpy as np
-import scipy as sp
 from scipy import signal
 import pandas as pd
 
diff --git a/src/iblphotometry/qc.py b/src/iblphotometry/qc.py
index 464465d..5276026 100644
--- a/src/iblphotometry/qc.py
+++ b/src/iblphotometry/qc.py
@@ -3,7 +3,6 @@
 from collections.abc import Callable
 from tqdm import tqdm
 import logging
-import warnings
 
 import numpy as np
 import pandas as pd
@@ -11,6 +10,7 @@
 
 from iblphotometry.processing import make_sliding_window
 from iblphotometry.pipelines import run_pipeline
+from brainbox.io.one import SessionLoader
 
 logger = logging.getLogger()