diff --git a/backend/init_db.py b/backend/init_db.py
index 8c52eea..3ff33ec 100644
--- a/backend/init_db.py
+++ b/backend/init_db.py
@@ -1,7 +1,7 @@
 import sqlite3
-import random
 
 def create_database_tables(conn):
+    """Create tables for the database if they do not exist."""
     cursor = conn.cursor()
     cursor.execute('''
         CREATE TABLE IF NOT EXISTS animals (
@@ -27,21 +27,22 @@ def create_database_tables(conn):
     conn.commit()
 
 def populate_initial_data(conn):
+    """Populate the database with initial data for testing."""
     cursor = conn.cursor()
-    
+
     # Sample animals data
     animals = [
         ('Luna', 'Dog', 'Labrador Mix', 2, 'Playful and energetic', '/images/luna.jpg', 'Available'),
         ('Oliver', 'Cat', 'Tabby', 4, 'Independent but affectionate', '/images/oliver.jpg', 'Available'),
         ('Max', 'Dog', 'German Shepherd', 3, 'Loyal and intelligent', '/images/max.jpg', 'Available')
     ]
-    
+
     for animal in animals:
         cursor.execute('''
             INSERT INTO animals (name, species, breed, age, personality, image_path, adoption_status) 
             VALUES (?, ?, ?, ?, ?, ?, ?)
         ''', animal)
-    
+
     conn.commit()
 
 if __name__ == "__main__":