fix: faithfulness for unrelated answering

[shahules786]

No description provided.

[shahules786]

Thanks to @Yongtae723 for bringing this issue up :)

from ragas.metrics import  faithfulness
data={'question': 'What is the economic significance of New York City?',
 'ground_truths': ["New York City's economic significance is vast, as it serves as the global financial capital, housing Wall Street and major financial institutions. Its diverse economy spans technology, media, healthcare, education, and more, making it resilient to economic fluctuations. NYC is a hub for international business, attracting global companies, and boasts a large, skilled labor force. Its real estate market, tourism, cultural industries, and educational institutions further fuel its economic prowess. The city's transportation network and global influence amplify its impact on the world stage, solidifying its status as a vital economic player and cultural epicenter."],
 'answer': 'idk what the fuck.',
 "contexts":["New York City's most important economic sector lies in its role as the headquarters for the U.S. financial industry, metonymously known as Wall Street. The city's securities industry continues to form the largest segment of the city's financial sector and is an important economic engine. Many large financial companies are headquartered in New York City, and the city is also home to a burgeoning number of financial startup companies."]
}
  
faithfulness.score_single(data)

[shahules786]

@Yongtae723 Would you like to play with it and see if it holds up to your adversarial testing? Feel free to modify if not :)

[Yongtae723]

I haven't check but I feel LGTM except minor point!

I will report after testing

[shahules786]

Thank you @Yongtae723

[Yongtae723]

I tested and confirmed it works well