def get_argparser(): parser = argparse.ArgumentParser()

Sorry, as an AI language model, I don't have access to the previous context or the purpose of the function you shared. But based on the function signature, it seems like this is a Python function that returns an instance of the `ArgumentParser` class from the `argparse` module. The purpose of this class is to create a parser object that can parse command-line arguments and options.

Here's an example usage of the `ArgumentParser` class:

import argparse

def get_argparser():
    parser = argparse.ArgumentParser()
    parser.add_argument('--name', help='Enter your name')
    parser.add_argument('--age', type=int, help='Enter your age')
    return parser

if __name__ == '__main__':
    parser = get_argparser()
    args = parser.parse_args()
    print(f"Hello {args.name}, you are {args.age} years old!")

In the above example, the `get_argparser()` function creates an instance of the `ArgumentParser` class and adds two arguments to it - `name` and `age`. The `parse_args()` method of the parser object is then called to parse the command-line arguments and options. Finally, the values of the `name` and `age` arguments are printed using the `print()` function.