In the one example that had an import before gevent.monkey.patch_all(), move...

In the one example that had an import before gevent.monkey.patch_all(), move it up, as is recommended practice. Whitespace in comment.

examples/concurrent_download.py

@@ -3,16 +3,16 @@
 
 """Spawn multiple workers and wait for them to complete"""
 from __future__ import print_function
-import sys
-
-urls = ['http://www.google.com', 'http://www.yandex.ru', 'http://www.python.org']
-
 import gevent
 from gevent import monkey
 
 # patches stdlib (including socket and ssl modules) to cooperate with other greenlets
 monkey.patch_all()
 
+import sys
+
+urls = ['http://www.google.com', 'http://www.yandex.ru', 'http://www.python.org']
+
 
 if sys.version_info[0] == 3:
     from urllib.request import urlopen