env: convert file open to context manager

always use context managers to open file

Change-Id: I2c894ea87a94789edbed4a4da1fa906b28556664
Signed-off-by: Ross Brattain <ross.b.brattain@intel.com>

diff --git a/api/actions/env.py b/api/actions/env.py
index 78f9b72..fa0f95d 100644 (file)
--- a/api/actions/env.py
+++ b/api/actions/env.py
@@ -53,7 +53,8 @@ def _create_grafana():
 
 def _create_dashboard():
     url = 'http://admin:admin@%s:3000/api/dashboards/db' % api_conf.GATEWAY_IP
-    data = json.load(file('../dashboard/ping_dashboard.json'))
+    with open('../dashboard/ping_dashboard.json') as dashboard_json:
+        data = json.load(dashboard_json)
     HttpClient().post(url, data)