title: Testing Flask having problems with python: from . import db
body: <p>I'm testing a project found on the web that use Flask and Sqlalchemy and having problems on the import:</p>
  <pre><code>from . import db
  </code></pre>
  <p>The <code>__init__.py</code> file contains:</p>
  <pre><code>db=SQLAlchemy()
  </code></pre>
  <p>I'm working in windows with eclipse, python3.6 32 bit.
  Any idea of the cause ?</p>
  <p>Thank you</p>