Sloppy commit. Both re-namespacing and using the amqp uri env var.

sylvilagus/python/sylvilagus/ch02/hello_world.py

@@ -1,9 +1,10 @@
+import os
+
 import pika
 
 
 def get_conn_params():
-    credentials = pika.PlainCredentials('guest', 'guest')
-    return pika.ConnectionParameters('localhost', credentials=credentials)
+    return pika.URLParameters(os.environ['SYLVILAGUS_AMQP_URI'])
 
 
 def get_nonblocking_channel(declare_exchange=True):

sylvilagus/python/sylvilagus/ch02/hello_world_consumer.py

@@ -4,7 +4,7 @@ import sys
 
 import pika
 
-from sylvilagus.chapter02 import hello_world
+from sylvilagus.ch02 import hello_world
 
 
 def msg_consumer(channel, method, header, body):

sylvilagus/python/sylvilagus/ch02/hello_world_producer.py

@@ -4,7 +4,7 @@ import sys
 
 import pika
 
-from sylvilagus.chapter02 import hello_world
+from sylvilagus.ch02 import hello_world
 
 
 def main(args=sys.argv[:]):

sylvilagus/python/sylvilagus/ch02/hello_world_producer_with_confirms.py

@@ -5,7 +5,7 @@ import sys
 
 import pika
 
-from sylvilagus.chapter02 import hello_world
+from sylvilagus.ch02 import hello_world
 
 
 def main(sysargs=sys.argv[:]):