expediente.py

import urllib2
from bs4 import BeautifulSoup

numero_expediente = 61333
url = "http://www.concejodeliberante.laplata.gov.ar/MesaEntradas/expediente.asp?Numero={}&Buscar=Enviar".format(numero_expediente)
page = urllib2.urlopen(url)
soup = BeautifulSoup(page, 'html.parser')

expediente = {
    "id": [text for text in soup.table.find_all('tr')[0].find_all('li')[0].stripped_strings][1],
    "started": [text for text in soup.table.find_all('tr')[0].find_all('li')[1].stripped_strings][1],
    "started_date": [text for text in soup.table.find_all('tr')[0].find_all('li')[2].stripped_strings][1],
    "presentation_type": [text for text in soup.table.find_all('tr')[0].find_all('li')[3].stripped_strings][1],
    "detail": [text for text in soup.table.find_all('tr')[0].find_all('li')[4].stripped_strings][1],
    "status": [text for text in soup.table.find_all('tr')[1].find_all('li')[0].stripped_strings][1],
    "last_update": soup.table.find_all('tr')[1].find_all('li')[1].get_text().split(':')[1].replace(u'\xa0',''),
    "resolution_id": soup.table.find_all('tr')[1].find_all('li')[2].get_text().split(':')[1].replace(u'\xa0','').replace(u'\xb0','')
}

print(expediente)