diff --git a/py/GAT.py b/py/GAT.py
index 546c76a..d2649c3 100644
--- a/py/GAT.py
+++ b/py/GAT.py
@@ -31,7 +31,7 @@ with open(output_file, 'w', encoding='utf-8') as f:
 
             
 with open('gat.txt', 'r', encoding='utf-8') as infile:
-    lines = infile.readlines
+    lines = infile.readlines()
 new_lines = []
 for i in range(len(lines)):
     line = lines[i]