Clean up process_loop's structure.

(imported from commit 62e427bf22d56960286b237f54660e74fb2866d8)

zephyr_mirror.py

@@ -137,7 +137,14 @@ def process_loop(log):
     sleep_time = 0.1
     while True:
         notice = zephyr.receive(block=False)
-        if notice is None:
+        if notice is not None:
+            try:
+                process_notice(notice, log)
+            except:
+                print >>sys.stderr, 'Error relaying zephyr'
+                traceback.print_exc()
+                time.sleep(2)
+
         time.sleep(sleep_time)
         sleep_count += sleep_time
         if sleep_count > 15:
@@ -147,13 +154,6 @@ def process_loop(log):
                 update_subscriptions_from_humbug()
         continue
 
-        try:
-            process_notice(notice, log)
-        except:
-            print >>sys.stderr, 'Error relaying zephyr'
-            traceback.print_exc()
-            time.sleep(2)
-
 def process_notice(notice, log):
     zsig, body = notice.message.split("\x00", 1)
     is_personal = False