THRIFT-4405: fix cygwin on appveyor
diff --git a/lib/nodejs/examples/httpServer.py b/lib/nodejs/examples/httpServer.py
index b712fcd..76e9f4a 100644
--- a/lib/nodejs/examples/httpServer.py
+++ b/lib/nodejs/examples/httpServer.py
@@ -5,10 +5,12 @@
 from thrift.protocol import TJSONProtocol
 from thrift.server import THttpServer
 
+
 class HelloSvcHandler:
-  def hello_func(self):
-    print("Hello Called")
-    return "hello from Python"
+    def hello_func(self):
+        print("Hello Called")
+        return "hello from Python"
+
 
 processor = HelloSvc.Processor(HelloSvcHandler())
 protoFactory = TJSONProtocol.TJSONProtocolFactory()