parsing IM configuration execution-environ-list

Change-Id: I5fc97e2be7e5abd8a2f54d4f8422e235520b256f
Signed-off-by: tierno <alfonso.tiernosepulveda@telefonica.com>
diff --git a/osm_lcm/prometheus.py b/osm_lcm/prometheus.py
index c1f49b0..1a4793f 100644
--- a/osm_lcm/prometheus.py
+++ b/osm_lcm/prometheus.py
@@ -155,7 +155,7 @@
         del new_config["_id"]
         del new_config["_admin"]
         new_scrape_configs = []
-        
+
         # generate a list with the values of scrape_configs
         for scrape_config in new_config["scrape_configs"].values():
             scrape_config = scrape_config.copy()