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@@ -121,7 +121,7 @@ def _get_installed_connectors(category=None, categories=None, dialect=None, inte
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for connector_type in get_connectors_types():
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if connector_type['dialect'] == connector['dialect']:
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connector_types.insert(0, connector_type)
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- elif connector_type.get('interface') == connector['interface']:
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+ elif connector['interface'] and connector_type.get('interface') == connector['interface']:
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connector_types.append(connector_type)
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if not connector_types:
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