From: Jonathan Ellis <jbellis@gmail.com>
Date: Fri, 3 Aug 2007 14:02:28 +0000 (+0000)
Subject: only one instance of while len(...)
X-Git-Tag: rel_0_4beta1~98
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e4d849748c6cd6884da33cf0cf0cdaf8e319cf19;p=thirdparty%2Fsqlalchemy%2Fsqlalchemy.git

only one instance of while len(...)
---

diff --git a/lib/sqlalchemy/topological.py b/lib/sqlalchemy/topological.py
index dcfe9ea715..87efc802ba 100644
--- a/lib/sqlalchemy/topological.py
+++ b/lib/sqlalchemy/topological.py
@@ -198,8 +198,8 @@ class QueueDependencySorter(object):
                 queue.append(n)
         cycles = {}
         output = []
-        while len(nodes) > 0:
-            if len(queue) == 0:
+        while nodes:
+            if not queue:
                 # edges remain but no edgeless nodes to remove; this indicates
                 # a cycle
                 if allow_all_cycles: