[Python] how to resolve' NameError: name 'imaplib' is not defined' (python poetry)

I spend a lot of time resolving this problem but I couldn't, So I want someone to help me.

I'm beginner for python and use poetry.

When I import imaplib I always get an error. ' NameError: name 'imaplib' is not defined'

I know I don't need to install imaplib'. what should I do then?

This below is my code.

Thank you for your reading and kindness. I appreciate it.


import imaplib
import email

host = 'imap.gmail.com'
username = 'xxxxxxx@gmail.com'
password = 'xxxxxxxx'

mail = imaplib.IMAP4_SSL(host)
mail.login(username, password)
mail.select('inbox')
_, search_data = mail.search(None, 'UNSEEN')

for num in search_data[0].split():
# print(num)
_, data = mail.fetch(num, '(RFC822)')
# print(data[0])
_, b = data[0]
email_message = email.message_from_bytes(b)
#email_message = email.message_from_string(b)

# print(email_message)
for part in email_message.walk():
if part.get_content_type() == 'text/plain' or part.get_content_type() == 'text/html':
body = part.get_payload(decode=True)
print(body)
print(search_data)

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