To fix duckduckgo_search compatibility issues

[tom5610]

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Using class DDGS rather than calling ddg functions directly.

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[Fernandes2692]

THANK YOU!

[PranithChowdary]

@tom5610 the code is perfect bro. you can even enhance it as below so the learner can understand it easily

from duckduckgo_search import DDGS
from fastcore.all import *

def search_images(term, max_images): 
    return L(DDGS().images(keywords=term, max_results=max_images)).itemgot('image')

urls = search_images("birds",100)
urls[0]

[wardu]

I just came here to make this exact pull request! Fix works