Make parcer at colab for learning images - google-colaboratory

Question

i hope to make parcer at colab but somethig wrong
here is my code
from google.colab import drive
drive.mount('/content/gdrive/')
from urllib.request import urlopen
import argparse
import requests as req
from bs4 import BeautifulSoup
root_dir = "/content/gdrive/My Drive/img/"
parser = argparse.ArgumentParser(description='input.')
parser.add_argument("-name", "--people", required=True)
args = parser.parse_args()
people = args.people
def main():
url_info = "https://www.google.co.kr/search?"
params = {
"q" : people,
"tbm":"isch"
}
html_object = req.get(url_info,params)
if html_object.status_code == 200:
bs_object = BeautifulSoup(html_object.text,"html.parser")
root_dir = bs_object.find_all("img")
for i in enumerate(root_dir[1:]):
t = urlopen(i[1].attrs['src']).read()
filename = "byeongwoo_"+str(i[0]+1)+'.jpg'
with open(filename,"wb") as f:
f.write(t)
print("Img Save Success")
if __name__=="__main__":
main()
and this is error message
usage: ipykernel_launcher.py [-h] -name PEOPLE
ipykernel_launcher.py: error: the following arguments are required: -name/--people
An exception has occurred, use %tb to see the full traceback.
SystemExit: 2
/usr/local/lib/python3.6/dist-packages/IPython/core/interactiveshell.py:2890: UserWarning: To exit: use 'exit', 'quit', or Ctrl-D.
warn("To exit: use 'exit', 'quit', or Ctrl-D.", stacklevel=1)