import sys

file_path = 'core/views.py'
with open(file_path, 'r') as f:
    content = f.read()

old_code = 'visited_households[key]["voters_at_address"].add(f"{v.first_name} {v.last_name}")'
new_code = 'visited_households[key]["voters_at_address"].add((v.id, f"{v.first_name} {v.last_name}"))'

if old_code in content:
    new_content = content.replace(old_code, new_code)
    with open(file_path, 'w') as f:
        f.write(new_content)
    print("Successfully patched core/views.py")
else:
    print("Could not find the target line in core/views.py")