diff --git a/src/helper_threading.py b/src/helper_threading.py
index 3b7ba378..6b6a5e25 100644
--- a/src/helper_threading.py
+++ b/src/helper_threading.py
@@ -1,9 +1,18 @@
+"""Helper threading perform all the threading operations."""
+
 from contextlib import contextmanager
 import threading
 
 try:
     import prctl
-    def set_thread_name(name): prctl.set_name(name)
+except ImportError:
+    def set_thread_name(name):
+        """Set the thread name for external use (visible from the OS)."""
+        threading.current_thread().name = name
+else:
+    def set_thread_name(name):
+        """Set a name for the thread for python internal use."""
+        prctl.set_name(name)
 
     def _thread_name_hack(self):
         set_thread_name(self.name)
@@ -11,18 +20,18 @@ try:
 
     threading.Thread.__bootstrap_original__ = threading.Thread._Thread__bootstrap
     threading.Thread._Thread__bootstrap = _thread_name_hack
-except ImportError:
-    def set_thread_name(name): threading.current_thread().name = name
+
 
 class StoppableThread(object):
     def initStop(self):
         self.stop = threading.Event()
         self._stopped = False
-        
+
     def stopThread(self):
         self._stopped = True
         self.stop.set()
 
+
 class BusyError(threading.ThreadError):
     pass