Unable to open cqlsh Apache cassandra - ImportError: No module named cqlshlib
<p>I am new to cassandra ! Have downloaded the apacahe cassandra 2.1.2 package and initialy was able to connect to cqlsh but then after installing CCM i am unable to connect , will get the following error</p>

<pre><code>Traceback (most recent call last):
File "bin/cqlsh", line 124, in &lt;module&gt;
from cqlshlib import cql3handling, cqlhandling, pylexotron,sslhandling, copy
ImportError: No module named cqlshlib
</code></pre>

<p>Thanks in advance !</p>