title: Installing django-recaptcha
body: <p>I am trying to install django-recaptcha. I typed </p>
  
  <pre><code>pip install django-recaptcha==0.0.4
  </code></pre>
  
  <p>I am not able to install it. The error i face is this:</p>
  
  <pre><code>error: could not create '/Library/Python/2.7/site-packages/captcha': Permission denied
  
  ----------------------------------------
  Command /usr/bin/python -c "import setuptools;__file__='/Users/Projects/drinker/build/django-recaptcha/setup.py';exec(compile(open(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --single-version-externally-managed --record /var/folders/x6/1rbbd59j1w7dx74lrrs181vh0000gn/T/pip-axdzU5-record/install-record.txt failed with error code 1 in /Users/Projects/drinker/build/django-recaptcha
  </code></pre>
  
  <p>I added 'captcha' to the settings.py but it gave me this error:</p>
  
  <pre><code>Error: No module named captcha
  </code></pre>
  
  <p>Need some help on this....</p>