Change video info to be generator

[BismeetSingh]

Changed video info to be generator and updated test cases for #38 .

[sourcery-ai]

Sourcery Code Quality Report

✅  Merging this PR will increase code quality in the affected files by 2.01%.

Quality metrics	Before	After	Change
Complexity	0.42 ⭐	0.29 ⭐	-0.13 👍
Method Length	21.38 ⭐	21.62 ⭐	0.24 👎
Working memory	4.05 ⭐	3.47 ⭐	-0.58 👍
Quality	93.54% ⭐	95.55% ⭐	2.01% 👍

Other metrics	Before	After	Change
Lines	30	26	-4

Changed files	Quality Before	Quality After	Quality Change
pyytdata/pyytdata.py	89.87% ⭐	93.39% ⭐	3.52% 👍
tests/test_util.py	97.61% ⭐	97.06% ⭐	-0.55% 👎

Here are some functions in these files that still need a tune-up:

File	Function	Complexity	Length	Working Memory	Quality	Recommendation

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[Agent-Hellboy]

follow https://cbea.ms/git-commit/ for commit guidelines

you should put the title as Chnage video info to be generator with no period at the end of the title.

[Agent-Hellboy]

follow PEP8 for import order https://peps.python.org/pep-0008/#imports

this should be
import datetime
import os
import types
import unittest

[Agent-Hellboy]

present tense in the commit message title is preferred in a lot of projects.

[Agent-Hellboy]

I have updated the commit message , again thanks for the PR

[Agent-Hellboy]

@BismeetSingh one more thing you should change the doc and README to reflect these changes