[Python] How to log boto3.dynamodb.conditions meaningfully

I spend a lot of time looking at my service's logs, and seeing messages like this:

2017-07-26T07:33:00.182089Z PID18030) boto3.resources.action [INFO] Calling dynamodb:query with {'Limit': 200, 'KeyConditionExpression': <boto3.dynamodb.conditions.Equals object at 0x7ffe0a29fa20>, 'TableName': ...


It'd be really nice to see something meaningful in that log message, like Key("foo").eq("bar") -- i.e., the name of the key, and the value, instead of <boto3.dynamodb.conditions.Equals object at 0x7ffe0a29fa20>, which tells me almost nothing. Is there any easy way to get this?

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