THRIFT-1480. py: remove tabs, adjust whitespace and address PEP8 warnings

This patch addresses a host of PEP8 lint problems.

Patch: Will Pierce

git-svn-id: https://svn.apache.org/repos/asf/thrift/trunk@1226890 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/lib/py/src/server/TProcessPoolServer.py b/lib/py/src/server/TProcessPoolServer.py
index 7ed814a..7a695a8 100644
--- a/lib/py/src/server/TProcessPoolServer.py
+++ b/lib/py/src/server/TProcessPoolServer.py
@@ -24,15 +24,14 @@
 from TServer import TServer
 from thrift.transport.TTransport import TTransportException
 
-class TProcessPoolServer(TServer):
 
-    """
-    Server with a fixed size pool of worker subprocesses which service requests.
+class TProcessPoolServer(TServer):
+    """Server with a fixed size pool of worker subprocesses to service requests
+
     Note that if you need shared state between the handlers - it's up to you!
     Written by Dvir Volk, doat.com
     """
-
-    def __init__(self, * args):
+    def __init__(self, *args):
         TServer.__init__(self, *args)
         self.numWorkers = 10
         self.workers = []
@@ -50,12 +49,11 @@
         self.numWorkers = num
 
     def workerProcess(self):
-        """Loop around getting clients from the shared queue and process them."""
-
+        """Loop getting clients from the shared queue and process them"""
         if self.postForkCallback:
             self.postForkCallback()
 
-        while self.isRunning.value == True:
+        while self.isRunning.value:
             try:
                 client = self.serverTransport.accept()
                 self.serveClient(client)
@@ -82,17 +80,15 @@
         itrans.close()
         otrans.close()
 
-
     def serve(self):
-        """Start a fixed number of worker threads and put client into a queue"""
-
-        #this is a shared state that can tell the workers to exit when set as false
+        """Start workers and put into queue"""
+        # this is a shared state that can tell the workers to exit when False
         self.isRunning.value = True
 
-        #first bind and listen to the port
+        # first bind and listen to the port
         self.serverTransport.listen()
 
-        #fork the children
+        # fork the children
         for i in range(self.numWorkers):
             try:
                 w = Process(target=self.workerProcess)
@@ -102,16 +98,14 @@
             except Exception, x:
                 logging.exception(x)
 
-        #wait until the condition is set by stop()
-
+        # wait until the condition is set by stop()
         while True:
-
             self.stopCondition.acquire()
             try:
                 self.stopCondition.wait()
                 break
             except (SystemExit, KeyboardInterrupt):
-		break
+                break
             except Exception, x:
                 logging.exception(x)
 
@@ -122,4 +116,3 @@
         self.stopCondition.acquire()
         self.stopCondition.notify()
         self.stopCondition.release()
-