import sys
with open('LightRAG-main/lightrag/operate.py', 'r', encoding='utf-8') as f:
    lines = f.readlines()
for i, line in enumerate(lines):
    if 'not merged_chunks' in line:
        print(f'Found at line {i+1}: {line.strip()}')
        # print surrounding lines
        for j in range(max(0, i-5), min(len(lines), i+10)):
            print(f'{j+1}: {lines[j].rstrip()}')
        break