from dropbox import client, rest, session

sess = session.DropboxSession('iqxjea6s7ctxv9j', 'npac0nca3p3ct9f', 'dropbox')
client = client.DropboxClient(sess)
f = open('txt2.txt') # upload a file
response = client.put_file('/magnum-opus.txt', f)
print "uploaded:", response