Clean up greeter_client.py

- removed commented out code
- fixed spacing

Author: Nikos Michalakis

examples/helloworld/python/greeter_client.py

@@ -33,14 +33,14 @@
 
 import grpc
 
-#import helloworld_pb2
 from examples.helloworld.proto import helloworld_pb2
 
+
 def run():
-  channel = grpc.insecure_channel('localhost:50051')
-  stub = helloworld_pb2.GreeterStub(channel)
-  response = stub.SayHello(helloworld_pb2.HelloRequest(name='you'))
-  print("Greeter client received: " + response.message)
+    channel = grpc.insecure_channel('localhost:50051')
+    stub = helloworld_pb2.GreeterStub(channel)
+    response = stub.SayHello(helloworld_pb2.HelloRequest(name='you'))
+    print("Greeter client received: " + response.message)
 
 if __name__ == '__main__':
-  run()
+    run()