Simplify example by hardcoding username/password.

rossigee · rossigee · commit eb9500b61ab3 · 2017-01-25T16:52:05.000+07:00
diff --git a/README.md b/README.md
@@ -329,11 +329,10 @@ you can use a special handler to set the Authorization header.
 ```python
 from prometheus_client import CollectorRegistry, Gauge, push_to_gateway
 from prometheus_client.handlers.basic_auth import handler as basic_auth_handler
-import os
 
 def my_auth_handler(url, method, timeout, headers, data):
-    username = os.environ['PUSHGW_USERNAME']
-    password = os.environ['PUSHGW_PASSWORD']
+    username = 'foobar'
+    password = 'secret123'
     return basic_auth_handler(url, method, timeout, headers, data, username, password)
 registry = CollectorRegistry()
 g = Gauge('job_last_success_unixtime', 'Last time a batch job successfully finished', registry=registry)
