title: Python pandas datareader isn't working
body: <p>Today, I was grabbing stock data using Python's pandas_datareader. Funny thing is it worked just several hours ago, but now I'm not able to grab stock data from yahoo-finance, but I can with google.
  I then upgraded pandas datareader in my command terminal, <code>pip install pandas-datareader --upgrade</code>.
  I then imported the upgraded package like usual, <code>from pandas_datareader import data, wb</code>.</p>
  
  <p>And it still won't work, but it works for grabbing stock options. It should do acccording to this documentation for pandas datareader <a href="https://pypi.python.org/pypi/pandas-datareader/0.4.0" rel="noreferrer">https://pypi.python.org/pypi/pandas-datareader/0.4.0</a></p>
  
  <pre><code>from pandas_datareader import Options
  
  aapl = Options("AAPL" "yahoo")
  aapl = aapl.get_all_data()
  </code></pre>
  
  <p>With google, grabbing stock data works.</p>
  
  <pre><code>import datetime
  import pandas as pd
  from pandas_datareader import data, wb
  
  start = datetime.datetime(2016, 1, 1)
  end = datetime.datetime(2017, 1, 1)
  
  aapl = data.DataReader("AAPL", "google", start, end)
  </code></pre>
  
  <p>Yahoo-Finance doesn't work.</p>
  
  <pre><code>aapl = data.DataReader("AAPL", "yahoo", start, end)
  </code></pre>
  
  <p>This is so annoying! Can anyone help get stock data from Yahoo?</p>
  
  <p>Here's the traceback:</p>
  
  <pre>
  aapl = data.DataReader("AAPL", "yahoo", start, end)
  Traceback (most recent call last):
  
    File "", line 1, in 
      aapl = data.DataReader("AAPL", "yahoo", start, end)
  
    File "C:\Anaconda3\envs\p3\lib\site-packages\pandas_datareader\data.py", line 94, in DataReader
      session=session).read()
  
    File "C:\Anaconda3\envs\p3\lib\site-packages\pandas_datareader\yahoo\daily.py", line 77, in read
      df = super(YahooDailyReader, self).read()
  
    File "C:\Anaconda3\envs\p3\lib\site-packages\pandas_datareader\base.py", line 173, in read
      df = self._read_one_data(self.url, params=self._get_params(self.symbols))
  
    File "C:\Anaconda3\envs\p3\lib\site-packages\pandas_datareader\base.py", line 80, in _read_one_data
      out = self._read_url_as_StringIO(url, params=params)
  
    File "C:\Anaconda3\envs\p3\lib\site-packages\pandas_datareader\base.py", line 91, in _read_url_as_StringIO
      response = self._get_response(url, params=params)
  
    File "C:\Anaconda3\envs\p3\lib\site-packages\pandas_datareader\base.py", line 117, in _get_response
      raise RemoteDataError('Unable to read URL: {0}'.format(url))
  
  RemoteDataError: Unable to read URL: http://ichart.finance.yahoo.com/table.csv
  </pre>