pika#1363 Bump examples python version to 3

docs/examples/blocking_consume.rst

@@ -15,7 +15,7 @@ Example of consuming messages and acknowledging them::
     def on_message(channel, method_frame, header_frame, body):
         print(method_frame.delivery_tag)
         print(body)
-        print()
+
         channel.basic_ack(delivery_tag=method_frame.delivery_tag)
 
 

docs/examples/using_urlparameters.rst

@@ -53,14 +53,14 @@ Options that are available as query string values:
    - keyfile
    - ssl_version
 
-For an information on what the ssl_options can be set to reference the `official Python documentation <http://docs.python.org/2/library/ssl.html>`_. Here is an example of setting the client certificate and key::
+For an information on what the ssl_options can be set to reference the `official Python documentation <http://docs.python.org/3/library/ssl.html>`_. Here is an example of setting the client certificate and key::
 
   amqp://www-data:rabbit_pwd@rabbit1/web_messages?heartbeat=30&ssl_options=%7B%27keyfile%27%3A+%27%2Fetc%2Fssl%2Fmykey.pem%27%2C+%27certfile%27%3A+%27%2Fetc%2Fssl%2Fmycert.pem%27%7D
 
-The following example demonstrates how to generate the ssl_options string with `Python's urllib <http://docs.python.org/2/library/urllib.html>`_::
+The following example demonstrates how to generate the ssl_options string with `Python's urllib <http://docs.python.org/3/library/urllib.html>`_::
 
-    import urllib
-    urllib.parse.urlencode({'ssl_options': {'certfile': '/etc/ssl/mycert.pem', 'keyfile': '/etc/ssl/mykey.pem'}})
+    from urllib.parse import urlencode
+    urlencode({'ssl_options': {'certfile': '/etc/ssl/mycert.pem', 'keyfile': '/etc/ssl/mykey.pem'}})
 
 
 .. rubric:: Footnotes