Reformat LCM to standardized format

Change-Id: I2259f4fc330129ff2d6c805618c2e069aa74564c
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/osm_lcm/data_utils/database/database.py b/osm_lcm/data_utils/database/database.py
index eeb44c4..dc7c8d9 100644
--- a/osm_lcm/data_utils/database/database.py
+++ b/osm_lcm/data_utils/database/database.py
@@ -30,7 +30,7 @@
 class Database:
     class __Database:
         def __init__(self, config):
-            self.logger = logging.getLogger('lcm')
+            self.logger = logging.getLogger("lcm")
             try:
                 # TODO check database version
                 if config["database"]["driver"] == "mongo":
@@ -40,8 +40,11 @@
                     self.db = dbmemory.DbMemory()
                     self.db.db_connect(config["database"])
                 else:
-                    raise Exception("Invalid configuration param '{}' at '[database]':'driver'".format(
-                        config["database"]["driver"]))
+                    raise Exception(
+                        "Invalid configuration param '{}' at '[database]':'driver'".format(
+                            config["database"]["driver"]
+                        )
+                    )
             except (DbException) as e:
                 self.logger.critical(str(e), exc_info=True)
                 raise Exception(str(e))