title: Error while loading the data to Pandas dataframe
body: <p>I am trying to execute the command mentioned on the tensorflow website:
  <code>df_train = pd.read_csv(train_file, names=COLUMNS, skipinitialspace=True)</code> </p>
  
  <p>I am getting the below error message.</p>
  
  <pre><code>File "C:\Users\AppData\Local\Programs\Python\Python35\lib\site-packages\pandas\io\common.py", line 210, in get_filepath_or_buffer
      raise ValueError(msg.format(_type=type(filepath_or_buffer)))
  ValueError: Invalid file path or buffer object type: &lt;class 'tuple'&gt;
  </code></pre>
  
  <p>Can some please help me on this. Thanks.</p>