title: pytesseract OCR error
body: <p>I am using <code>pytesseract</code> to get the text from the image. But I am getting this error.</p>
  
  <p>This is my source file. The <code>dir</code> includes the image </p>
  
  <pre><code>import Image
  from pytesseract import image_to_string
  print image_to_string(Image.open('download.png'))
  #download.png is in same dir as the source file is
  </code></pre>
  
  <p>I am getting this error</p>
  
  <pre><code>Traceback (most recent call last):
  
  File "ocr.py", line 3, in &lt;module&gt;
      print(image_to_string(Image.open('download.png')))
  
  File "/home/suraj/.local/lib/python2.7/site-packages/pytesseract/pytesseract.py", line 161, in image_to_string
      config=config)
  
    File "/home/suraj/.local/lib/python2.7/site-packages/pytesseract/pytesseract.py", line 94, in run_tesseract
      stderr=subprocess.PIPE)
  
    File "/usr/lib/python2.7/subprocess.py", line 710, in __init__
      errread, errwrite)
  
    File "/usr/lib/python2.7/subprocess.py", line 1335, in _execute_child
      raise child_exception
  OSError: [Errno 2] No such file or directory
  </code></pre>
  
  <p>How to remove this error?</p>