pyqtgraph/examples/SimplePlot.py

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import initExample ## Add path to library (just for examples; you do not need this)
import pyqtgraph as pg
import pyqtgraph.exporters
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import numpy as np
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plt = pg.plot(np.random.normal(size=100), title="Simplest possible plotting example")
## Start Qt event loop unless running in interactive mode or using pyside.
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if __name__ == '__main__':
import sys
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if sys.flags.interactive != 1 or not hasattr(pg.QtCore, 'PYQT_VERSION'):
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pg.QtGui.QApplication.exec_()