treewide: improve 2to3 conversion

Author: multun

maintainers/dump-route53-hosted-zone.py

@@ -19,13 +19,11 @@
 by_hostname = {}
 for record in records:
     name = record["Name"]
-    if not name in by_hostname:
+    if name not in by_hostname:
         by_hostname[name] = []
     by_hostname[name].append(record)
 
-count = {
-    k: len([x for x in v if x["Type"] == "A"]) for (k, v) in list(by_hostname.items())
-}
+count = {k: sum(1 for x in v if x["Type"] == "A") for (k, v) in by_hostname.items()}
 
 
 def print_record(record):
@@ -93,6 +91,7 @@ def print_record(record):
     )
 )
 print("  resources.route53RecordSets = {")
-list(map(print_record, records))
+for record in records:
+    print_record(record)
 print("  };")
 print("}")