ec2 inventory plugin: fix whitespace around connection validity test

plugins/inventory/ec2.py

@@ -245,10 +245,10 @@ class Ec2Inventory(object):
             else:
                 conn = ec2.connect_to_region(region)
 
-        # connect_to_region will fail "silently" by returning None if the region name is wrong or not supported
-        if conn is None:
-            print("region name: %s likely not supported, or AWS is down.  connection to region failed." % region)
-            sys.exit(1)
+            # connect_to_region will fail "silently" by returning None if the region name is wrong or not supported
+            if conn is None:
+                print("region name: %s likely not supported, or AWS is down.  connection to region failed." % region)
+                sys.exit(1)
  
             reservations = conn.get_all_instances()
             for reservation in reservations: