title: Connecting to "Iex" or "morningstar" and retrieve data
body: <p>I try to retrieve historical financial Data from iex or morningstar. For this I use the Following Code.</p>
  
  <pre><code>import pandas as pd
  pd.core.common.is_list_like = pd.api.types.is_list_like
  import pandas_datareader.data as web
  import datetime
  
  start = datetime.datetime(2019, 1, 1)
  end = datetime.datetime(2019, 1, 10)
  facebook = web.DataReader("FB", 'morningstar', start, end)
  
  print(facebook.head())
  </code></pre>
  
  <p>Unfortunatly I get the error message:</p>
  
  <blockquote>
    <p>NotImplementedError: data_source='morningstar' is not implemented</p>
  </blockquote>
  
  <p>or </p>
  
  <blockquote>
    <p>ValueError: The IEX Cloud API key must be provided either through the
    api_key variable or through the  environment variable IEX_API_KEY</p>
  </blockquote>
  
  <p>depending on which of both sources I use. </p>
  
  <p>I tried to </p>
  
  <pre><code>pip uninstall pandas-datareader
  pip install pandas-datareader
  </code></pre>
  
  <p>several times and also restarted the kernel but nothing changes. Was there any change to this APIs or am I doing anything wrong?</p>