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Address error in SQL query (#39939)

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This commit is contained in:
Diogo Gomes 2020-09-15 19:01:36 +01:00 committed by Paulus Schoutsen
parent e095120023
commit ce86112612
1 changed files with 2 additions and 1 deletions
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3
homeassistant/components/sql/sensor.py
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@ -122,6 +122,7 @@ class SQLSensor(Entity):
def update(self): def update(self):
"""Retrieve sensor data from the query.""" """Retrieve sensor data from the query."""
data = None
try: try:
sess = self.sessionmaker() sess = self.sessionmaker()
result = sess.execute(self._query) result = sess.execute(self._query)
@ -147,7 +148,7 @@ class SQLSensor(Entity):
finally: finally:
sess.close() sess.close()
if self._template is not None: if data is not None and self._template is not None:
self._state = self._template.async_render_with_possible_json_value( self._state = self._template.async_render_with_possible_json_value(
data, None data, None
) )