<p dir="auto">Hello <a class="user-mention notranslate" data-hovercard-type="user" data-hovercard-url="/users/eschutho/hovercard" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://github.com/eschutho">@eschutho</a>  <a class="user-mention notranslate" data-hovercard-type="user" data-hovercard-url="/users/craig-rueda/hovercard" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://github.com/craig-rueda">@craig-rueda</a>  <a class="user-mention notranslate" data-hovercard-type="user" data-hovercard-url="/users/hughhhh/hovercard" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://github.com/hughhhh">@hughhhh</a> <a class="user-mention notranslate" data-hovercard-type="user" data-hovercard-url="/users/michael-s-molina/hovercard" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://github.com/michael-s-molina">@michael-s-molina</a><br>
When I want to run the Superset project directly from the github project instead of installing it in virtualenv, I get the following error.<br>
Error Description: can't find '<em>main</em>' module in 'superset'</p>
<p dir="auto">A clear and concise description of what the bug is.</p>
<h3 dir="auto">Expected results</h3>
<p dir="auto">after add druid cluster, I click "refresh druid metadata" button, I wish the databases of druid cluster can merge into database.</p>
<h3 dir="auto">Actual results</h3>
<p dir="auto">erro log:</p>
<p dir="auto">Error while processing cluster 'zjy' (raised as a result of Query-invoked autoflush; consider using a session.no_autoflush block if this flush is occurring prematurely) (MySQLdb._exceptions.IntegrityError) (1062, "Duplicate entry 'industrylevel2-2022' for key 'uq_columns_column_name'") [SQL: 'INSERT INTO <code class="notranslate">columns</code> (created_on, changed_on, column_name, verbose_name, is_active, type, groupby, count_distinct, sum, avg, max, min, filterable, description, datasource_id, dimension_spec_json, created_by_fk, changed_by_fk) VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s)'] [parameters: (datetime.datetime(2019, 6, 12, 15, 18, 13, 148434), datetime.datetime(2019, 6, 12, 15, 18, 13, 148443), 'industrylevel2', None, 1, 'STRING', 1, 0, 0, 0, 0, 0, 1, None, 2022, None, 1, 1)] (Background on this error at: <a href="http://sqlalche.me/e/gkpj" rel="nofollow">http://sqlalche.me/e/gkpj</a>)</p>
<h4 dir="auto">Screenshots</h4>
<ul dir="auto">
<li>my druid cluster conf:</li>
</ul>
<p dir="auto"><a target="_blank" rel="noopener noreferrer nofollow" href="https://user-images.githubusercontent.com/19853623/59337276-d43a9100-8d32-11e9-9a64-7ccd49b03d18.png"><img src="https://user-images.githubusercontent.com/19853623/59337276-d43a9100-8d32-11e9-9a64-7ccd49b03d18.png" alt="image" style="max-width: 100%;"></a></p>
<ul dir="auto">
<li>superset view :<br>
<a target="_blank" rel="noopener noreferrer nofollow" href="https://user-images.githubusercontent.com/19853623/59337352-01873f00-8d33-11e9-8311-dc7e4d763361.png"><img src="https://user-images.githubusercontent.com/19853623/59337352-01873f00-8d33-11e9-8311-dc7e4d763361.png" alt="image" style="max-width: 100%;"></a></li>
</ul>
<p dir="auto">superset log:<br>
<a target="_blank" rel="noopener noreferrer nofollow" href="https://user-images.githubusercontent.com/19853623/59337168-9b022100-8d32-11e9-914c-639ef3d42906.png"><img src="https://user-images.githubusercontent.com/19853623/59337168-9b022100-8d32-11e9-914c-639ef3d42906.png" alt="image" style="max-width: 100%;"></a></p>
<h4 dir="auto">How to reproduce the bug</h4>
<ol dir="auto">
<li>Go to '...'</li>
<li>Click on '....'</li>
<li>Scroll down to '....'</li>
<li>See error</li>
</ol>
<h3 dir="auto">Environment</h3>
<p dir="auto">(please complete the following information):<br>
CentoOS 6.3</p>
<ul dir="auto">
<li>superset version: <code class="notranslate">superset version</code> === 0.28.1</li>
<li>python version: <code class="notranslate">python --version</code> === 3.6.8</li>
<li>node.js version: <code class="notranslate">node -v</code></li>
<li>npm version: <code class="notranslate">npm -v</code></li>
</ul>
<h3 dir="auto">Checklist</h3>
<p dir="auto">Make sure these boxes are checked before submitting your issue - thank you!</p>
<ul class="contains-task-list">
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox"> I have checked the superset logs for python stacktraces and included it here as text if there are any.</li>
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox"> I have reproduced the issue with at least the latest released version of superset.</li>
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox"> I have checked the issue tracker for the same issue and I haven't found one similar.</li>
</ul>
<h3 dir="auto">Additional context</h3>
<p dir="auto">Add any other context about the problem here.</p>