Exception handling for database queries

ref-test/app/models/entry.py

@@ -84,8 +84,7 @@ class Entry(db.Model):
     def start(self):
         self.start_time = datetime.now()
         self.status = 'started'
-        try:
-            db.session.commit()
+        try: db.session.commit()
         except SQLAlchemyError as exception:
             db.session.rollback()
             write('system.log', f'Database error when starting test for {self.get_surname()}, {self.get_first_name()}: {exception}')
@@ -104,8 +103,7 @@ class Entry(db.Model):
         else:
             self.status = 'late'
             self.valid = False
-        try:
-            db.session.commit()
+        try: db.session.commit()
         except SQLAlchemyError as exception:
             db.session.rollback()
             write('system.log', f'Database error when submitting entry for {self.get_surname()}, {self.get_first_name()}: {exception}')
@@ -118,8 +116,7 @@ class Entry(db.Model):
         if self.status == 'started': return False, 'The entry is still pending.'
         self.valid = True
         self.status = 'completed'
-        try:
-            db.session.commit()
+        try: db.session.commit()
         except SQLAlchemyError as exception:
             db.session.rollback()
             write('system.log', f'Database error when validating entry {self.id}: {exception}')
@@ -201,7 +198,6 @@ class Entry(db.Model):
             <p>Best wishes, <br/> SKA Refereeing</p>
             """
         )
-        try: 
-            mail.send(email)
+        try: mail.send(email)
         except SMTPException as exception:
             write('system.log', f'SMTP Error when trying to notify results to {self.get_surname()}, {self.get_first_name()} with error: {exception}')