pymongo.errors.OperationFailure: This MongoDB deployment does not support retryable writes. Please add retryWrites=false to your connection string.

This MongoDB deployment does not support retryable writes. Please add retryWrites=false to your connection string.

MongoDB does not support this deployment may try to write. Please retryWrites = false to the connection string.

The following settings to 
client = MongoClient ( "192.168.52.131:27017", retryWrites = "false")

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Origin www.cnblogs.com/rhgaiymm/p/12036825.html