Error in installation pycurl 7.19.0
<p>I need install this specific version (7.19.0) pycurl.</p>

<p>When I try to install with this command:</p>

<blockquote>
  <p>pip install pycurl==7.19.0</p>
</blockquote>

<p>I'm receiving this error.</p>

<pre><code>Failed building wheel for pycurl   Running setup.py clean for pycurl Failed to build pycurl Installing collected packages: pycurl

..... // MULTIPLE LINES

 build/temp.linux-x86_64-2.7/src/pycurl.o: na função `initpycurl':
    /tmp/pip-build-4Q4V7Q/pycurl/src/pycurl.c:3904: referência indefinida para `PyEval_InitThreads'
    collect2: error: ld returned 1 exit status
    error: command 'x86_64-linux-gnu-gcc' failed with exit status 1

    ---------------------------------------- Command "/home/user/.virtualenvs/myenv/bin/python2 -u -c "import setuptools, tokenize;__file__='/tmp/pip-build-4Q4V7Q/pycurl/setup.py';exec(compile(getattr(tokenize, 'open', open)(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record /tmp/pip-UlYKto-record/install-record.txt --single-version-externally-managed --compile --install-headers /home/user/.virtualenvs/myenv/include/site/python2.7/pycurl" failed with error code 1 in /tmp/pip-build-4Q4V7Q/pycurl/
</code></pre>

<p>How can I do to install this specific version?</p>

<p>I'm using Ubuntu 16.</p>

<p>Thanks!</p>