Add usage examples to annotations and assign methods.

Author: danriti

traceview/__init__.py

@@ -90,6 +90,12 @@ def annotation(self, message, *args, **kwargs):
         :param str layer: (optional) The layer name to associate the annotation with.
         :param str time: (optional) The time to associate the annotation with, in seconds since the epoch.
 
+        Usage::
+
+          >>> import traceview
+          >>> tv = traceview.TraceView('API KEY HERE')
+          >>> tv.annotation('Code deployed', appname='production_web')
+
         """
         kwargs['message'] = message
         self._annotation.post(*args, **kwargs)
@@ -120,6 +126,12 @@ def assign(self, hostname, appname, *args, **kwargs):
         :param str appname: The existing application name.
         :param str layer: (optional) The layer name to assign to the application.
 
+        Usage::
+
+          >>> import traceview
+          >>> tv = traceview.TraceView('API KEY HERE')
+          >>> tv.assign(hostname='web-app-1234', appname='production_web')
+
         """
         kwargs['appname'] = appname
         kwargs['hostname'] = hostname