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-rw-r--r--python/pyspark/worker.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/python/pyspark/worker.py b/python/pyspark/worker.py
index 93df9002be..42c2f8b759 100644
--- a/python/pyspark/worker.py
+++ b/python/pyspark/worker.py
@@ -146,5 +146,5 @@ if __name__ == '__main__':
java_port = int(sys.stdin.readline())
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.connect(("127.0.0.1", java_port))
- sock_file = sock.makefile("a+", 65536)
+ sock_file = sock.makefile("rwb", 65536)
main(sock_file, sock_file)