title: numpy.arange divide by zero error
body: <p>I have used numpy's arange function to make the following range:</p>
  
  <pre><code>a = n.arange(0,5,1/2)
  </code></pre>
  
  <p>This variable works fine by itself, but when I try putting it anywhere in my script I get an error that says </p>
  
  <blockquote>
    <p>ZeroDivisionError: division by zero</p>
  </blockquote>