diff --git a/tc_core_analyzer_lib/utils/compute_interaction_per_acc.py b/tc_core_analyzer_lib/utils/compute_interaction_per_acc.py
index 9d05ec3..2c72c52 100644
--- a/tc_core_analyzer_lib/utils/compute_interaction_per_acc.py
+++ b/tc_core_analyzer_lib/utils/compute_interaction_per_acc.py
@@ -1,11 +1,9 @@
-import copy
-
 import numpy as np
 import numpy.typing as npt
 from networkx import DiGraph
 
 from .generate_graph import make_graph
-from utils.activity import DiscordActivity
+from .activity import DiscordActivity
 
 
 def thr_int(