Arabic language option doesn't work directly with num2words command

[adilmujeeb]

As per num2words usage, below is the format:
num2words [options]
The language option is -l --lang= and for Arabic language ar should be specified under value.
When tried, it gave error and display usage:
$ num2words --lang=ar 10
10'Num2Word_AR' object has no attribute 'str_to_number'

So I used a wrapper script with below contents and run with python3 script.py and it worked:

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from num2words import num2words
from sys import argv

words = num2words(10, lang='ar', to ='cardinal')

print(words)
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