Trying to find which method isn't closing its sql connection properly

cdplib/db_handlers/SQLHandler.py

@@ -502,16 +502,18 @@ class SQLHandler:
         :rtype: DataFrame
         '''
         try:
-            #connection = self._engine.connect()
+            self._log.info('THIS SHOULD BE A SQL CALL')
+            '''
+            connection = self._engine.connect()
 
             data = pd.read_sql(sql=query,
-                               con=self._engine,
+                               con=connection,
                                **read_sql_kwargs)
 
-            #connection.close()
+            connection.close()
            
             return data
-
+            '''
         except Exception as e:
             err = ("Could not read the query to a dataframe. "
                    "Finished with error {}").format(e)