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python - Pandas read_csv from url

I'm trying to read a csv-file from given URL, using Python 3.x:

import pandas as pd
import requests

url = "https://github.com/cs109/2014_data/blob/master/countries.csv"
s = requests.get(url).content
c = pd.read_csv(s)

I have the following error

"Expected file path name or file-like object, got <class 'bytes'> type"

How can I fix this? I'm using Python 3.4

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In the latest version of pandas (0.19.2) you can directly pass the url

import pandas as pd

url="https://raw.githubusercontent.com/cs109/2014_data/master/countries.csv"
c=pd.read_csv(url)

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