import requests

api_key = 'MY_API_KEY'
username = 'myUserName'
password = 'myPassword'

payload = {
    'grant_type': 'password',
    'client_id': api_key,
     'username': username,
    'password': password
}

token = requests.post("https://{Egnyte Domain}.egnyte.com/puboauth/token", params = payload)

print r.text

{"access_token":"*MYToken","token_type":"bearer","expires_in":-1}

r = requests.post("https://{Egnyte Domain}.egnyte.com/puboauth/token", params=payload)
token = r.json()['access_token']

users = requests.get(url, headers={'Authorization': 'Bearer %s' % token})

r = requests.post("https://{Egnyte Domain}.egnyte.com/puboauth/token", params=payload)
if r.ok:
    access_token = r.json()['access_token']

session = requests.Session()
session.headers['Authorization'] = "Bearer %s" % access_token
users = session.get('https://{Egnyte Domain}.egnyte.com/pubapi/v2/users')

headers = {"Authorization":"Bearer %s" % access_token}
requests.get('https://{Egnyte Domain}.egnyte.com/pubapi/v2/users', headers=headers)