Reformat MON to standardized format

Change-Id: I5869a8c1d0a53c5f6ad6b8859e6469d447bfb63d
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/osm_mon/collector/collector.py b/osm_mon/collector/collector.py
index ad166e4..a69e651 100644
--- a/osm_mon/collector/collector.py
+++ b/osm_mon/collector/collector.py
@@ -29,9 +29,7 @@
 
 log = logging.getLogger(__name__)
 
-METRIC_BACKENDS = [
-    PrometheusBackend
-]
+METRIC_BACKENDS = [PrometheusBackend]
 
 
 class Collector:
@@ -42,11 +40,11 @@
         self._init_backends()
 
     def collect_forever(self):
-        log.debug('collect_forever')
+        log.debug("collect_forever")
         while True:
             try:
                 self.collect_metrics()
-                time.sleep(int(self.conf.get('collector', 'interval')))
+                time.sleep(int(self.conf.get("collector", "interval")))
             except Exception:
                 log.exception("Error collecting metrics")