title: Error while converting webp image file to jpg in python
body: <p>I have written small program to convert <strong>webp</strong> to jpg in python</p>
  
  <pre><code>import imghdr
  from PIL import Image
  
  im = Image.open("unnamed.webp").convert("RGB")
  im.save("test.jpg","jpeg")
  </code></pre>
  
  <p>when executing it gives me following error</p>
  
  <pre><code>No handlers could be found for logger "PIL.ImageFile"
  Traceback (most recent call last):
    File "webptopng.py", line 3, in &lt;module&gt;
      im = Image.open("unnamed.webp").convert("RGB")
    File "/usr/local/lib/python2.7/dist-packages/PIL/Image.py", line 2286, in open
      % (filename if filename else fp))
  IOError: cannot identify image file 'unnamed.webp'
  </code></pre>
  
  <p>I have installed pillow with webp capability. Here is my pillow installation output</p>
  
  <pre><code>--------------------------------------------------------------------
  PIL SETUP SUMMARY
  --------------------------------------------------------------------
  version      Pillow 3.0.0
  platform     linux2 2.7.3 (default, Jun 22 2015, 19:33:41)
               [GCC 4.6.3]
  --------------------------------------------------------------------
  --- TKINTER support available
  --- JPEG support available
  *** OPENJPEG (JPEG2000) support not available
  --- ZLIB (PNG/ZIP) support available
  *** LIBTIFF support not available
  --- FREETYPE2 support available
  *** LITTLECMS2 support not available
  --- WEBP support available
  *** WEBPMUX support not available
  --------------------------------------------------------------------
  </code></pre>
  
  <p>Please help me how to proceed.</p>