A wrong X axis Label

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I got a speical numpy dataset from my program, and "setdata" to a pyqtgraph for scatter it.
The dataset in X axis is less than 0.15, but the pyqtgraph show X axis label 150, big one hundred times.

you can download the numpy dataset from attachment, and its another url is "https://pan.baidu.com/s/1di70UOrWJAgfBen3brvmZQ", and the password is "3u2u".

you can use joblib to load it into a numpy ndarray variable, such as " x = joblib.load("mh_tmp.jdump") ".