Close the stats JSON file when done reading for less "unclosed file" warnings

Author: matthiask

webpack_loader/utils.py

@@ -45,7 +45,8 @@ def get_config(config_name):
 
 def get_assets(config):
  try:
- return json.loads(open(config['STATS_FILE']).read())
+ with open(config['STATS_FILE']) as f:
+ return json.load(f)
  except IOError:
  raise IOError(
  'Error reading {}. Are you sure webpack has generated the file '