title: Error with Crunchbase API wrapper pycrunchbase
body: <p>I tried importing the pycrunchbase api wrapper and i get the following error.</p>
  
  <p>It is a API wrapper that use the Crunchbase API platform</p>
  
  <p>Doc: <a href="https://pycrunchbase.readthedocs.org/en/latest/usage.html" rel="nofollow">https://pycrunchbase.readthedocs.org/en/latest/usage.html</a></p>
  
  <p>Github: <a href="https://github.com/ngzhian/pycrunchbase" rel="nofollow">https://github.com/ngzhian/pycrunchbase</a></p>
  
  <pre><code>&gt;&gt;&gt; from pycrunchbase import *
  
  Traceback (most recent call last):
    File "&lt;pyshell#2&gt;", line 1, in &lt;module&gt;
      from pycrunchbase import *
    File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pycrunchbase/__init__.py", line 1, in &lt;module&gt;
      from .pycrunchbase import (
    File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pycrunchbase/pycrunchbase.py", line 4, in &lt;module&gt;
      from .resource import (
    File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pycrunchbase/resource/__init__.py", line 1, in &lt;module&gt;
      from .acquisition import Acquisition
    File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pycrunchbase/resource/acquisition.py", line 3, in &lt;module&gt;
      from .node import Node
    File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pycrunchbase/resource/node.py", line 3, in &lt;module&gt;
      from .relationship import NoneRelationshipSingleton, Relationship
    File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pycrunchbase/resource/relationship.py", line 3, in &lt;module&gt;
      from .page import Page
    File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pycrunchbase/resource/page.py", line 4, in &lt;module&gt;
      from .pageitem import PageItem
    File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pycrunchbase/resource/pageitem.py", line 58, in &lt;module&gt;
      @six.python_2_unicode_compatible
  AttributeError: 'module' object has no attribute 'python_2_unicode_compatible'
  </code></pre>