[Python] Keep the '+' in URL in python

I have an input which is a decoded URL, it can contain '+' symbols Here is my code to encode the url safely

# Safely encode the path
encoded_path = quote(parsed.path)

# Safely encode query parameters
query_params = parse_qsl(parsed.query, keep_blank_values=True)
encoded_query = urlencode(query_params, quote_via=quote, safe='')


parse_qsl is converting my '+' to spaces i suspect, but the final encoded query is having %20 instead of %2B. How do I fix this?

EDIT: Adding a reproducible script

import urllib
from urllib.parse import urlparse, urlunparse, quote, urlencode, parse_qsl, quote_plus

def safe_presigned_url(raw_url):
parsed = urlparse(raw_url)

# Safely encode the path
encoded_path = quote(parsed.path)

# Safely encode query parameters
query_params = parse_qsl(parsed.query, keep_blank_values=True)
encoded_query = urlencode(query_params, quote_via=quote, safe='')

# Rebuild and return the full URL
return urlunparse((
parsed.scheme,
parsed.netloc,
encoded_path,
parsed.params,
encoded_query,
parsed.fragment
))

url = 'http://example.com/path/tofile?query=param+with+questionmark' #decoded url

print(f'BEFORE {url}') # BEFORE http://example.com/path/tofile?query=param+with+questionmark
url = safe_presigned_url(url)
print(f'AFTER {url}') # AFTER http://example.com/path/tofile?query=param%20with%20questionmark



# EXPECTED http://example.com/path/tofile?query=param%2Bwith%2Bquestionmark

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