text: user1075: I am trying to install chromosomer but I fail. Can anybody help me, please?
  $ pip install chromosomer
  
  Collecting chromosomer
    Could not find a version that satisfies the requirement chromosomer (from versions: )
  No matching distribution found for chromosomer
  
  The output python:
  $ python
  
  Python 3.6.0 |Anaconda custom (x86_64)| (default, Dec 23 2016, 13:19:00) 
  [GCC 4.2.1 Compatible Apple LLVM 6.0 (clang-600.0.57)] on darwin
  Type "help", "copyright", "credits" or "license" for more information.
  
  
  user29: Chromosomer only exists for Python 2. You should thus be able to install it via
  pip2 install chromosomer
  
  
  But:
  Your Python installation is a bit screwed up: there are Python 2 and Python 3, which are unfortunately incompatible.
  On your system python and pip seem to be aliases for Python 3, which I’d strongly recommend against (lots of tools will break). Instead, they should alias Python 2. Python 3 should be invoked via python3/pip3.
  
original_text: 1075: <p>I am trying to install <a href="https://github.com/gtamazian/chromosomer" rel="noreferrer">chromosomer</a> but I fail. Can anybody help me, please?</p>
  
  <pre class="lang-none prettyprint-override"><code>$ pip install chromosomer
  
  Collecting chromosomer
    Could not find a version that satisfies the requirement chromosomer (from versions: )
  No matching distribution found for chromosomer
  </code></pre>
  
  <p>The output <code>python</code>:</p>
  
  <pre class="lang-none prettyprint-override"><code>$ python
  
  Python 3.6.0 |Anaconda custom (x86_64)| (default, Dec 23 2016, 13:19:00) 
  [GCC 4.2.1 Compatible Apple LLVM 6.0 (clang-600.0.57)] on darwin
  Type "help", "copyright", "credits" or "license" for more information.
  </code></pre>
   29: <p>Chromosomer only exists for Python 2. You should thus be able to install it via</p>
  
  <pre><code>pip2 install chromosomer
  </code></pre>
  
  <hr>
  
  <p><strong>But:</strong></p>
  
  <p>Your Python installation is a bit screwed up: there are Python 2 and Python 3, which are unfortunately incompatible.</p>
  
  <p>On your system <code>python</code> and <code>pip</code> seem to be aliases for Python 3, which I’d strongly recommend against (lots of tools will break). Instead, they should alias Python 2. Python 3 should be invoked via <code>python3</code>/<code>pip3</code>.</p>
  