title: Can't find '_sqlite3' module when import it using python which installed by pyenv
body: <p>Installed python 3.7.0 by <code>pyenv</code> on macOS.</p>
  
  <p><code>sqlite3</code> has been installed:</p>
  
  <pre><code>which sqlite3
  /usr/bin/sqlite3
  </code></pre>
  
  <p>Also tried to install <code>pysqlite3</code> by pip:</p>
  
  <pre><code>pip install pysqlite3
  </code></pre>
  
  <p>But can't find module when import <code>sqlite3</code>:</p>
  
  <pre><code>In [1]: import sqlite3
  ---------------------------------------------------------------------------
  ModuleNotFoundError                       Traceback (most recent call last)
  &lt;ipython-input-1-5239c6be4108&gt; in &lt;module&gt;
  ----&gt; 1 import sqlite3
  
  ~/.pyenv/versions/3.7.0/lib/python3.7/sqlite3/__init__.py in &lt;module&gt;
       21 # 3. This notice may not be removed or altered from any source distribution.
       22
  ---&gt; 23 from sqlite3.dbapi2 import *
  
  ~/.pyenv/versions/3.7.0/lib/python3.7/sqlite3/dbapi2.py in &lt;module&gt;
       25 import collections.abc
       26
  ---&gt; 27 from _sqlite3 import *
       28
       29 paramstyle = "qmark"
  
  ModuleNotFoundError: No module named '_sqlite3'
  </code></pre>
  
  <p>Is it necessary to install a develop library for sqlite3 on macOS by brew?</p>