fix: import ephys_data to resolve undefined name error in unit_similarity.py

Co-authored-by: aider (gpt-4o) <aider@aider.chat>

Author: abuzarmahmood

utils/qa_utils/unit_similarity.py

@@ -19,6 +19,7 @@
 import os
 import pandas as pd
 import matplotlib.pyplot as plt
+from utils.ephys_data.ephys_data import ephys_data
 from utils.blech_utils import imp_metadata, pipeline_graph_check, parse_collision_mat  # noqa: E402
 script_path = os.path.realpath(__file__)
 script_dir_path = os.path.dirname(script_path)