Use list comprehension instead of the builtin map() function

wulczer · wulczer · commit f168de6720b6 · 2016-01-27T12:44:59.000+01:00
This makes sure we get back a list both on Python 2 and 3.
diff --git a/test/test_txpostgres.py b/test/test_txpostgres.py
@@ -1307,7 +1307,7 @@ def test_notifyDeliveryOrder(self):
                 "least version 2.3.0 of psycopg2 to process NOTIFY payloads.")
 
         dl = [defer.Deferred() for _ in range(10)]
-        payloads = map(str, range(10))
+        payloads = [str(i) for i in  range(10)]
         notifyD = defer.DeferredList(dl)
 
         def observer(notify):
@@ -1511,7 +1511,7 @@ def test_notifyWithSubsequentQuery(self):
         delivered only once.
         """
         dl = [defer.Deferred() for _ in range(10)]
-        payloads = map(str, range(10))
+        payloads = [str(i) for i in range(10)]
         notifyD = defer.DeferredList(dl)
 
         def observer(notify):
