The specified Python function could not be found in the specified module.

[PULSE.Wannabe]

Got this error after the program run , what is ReadImage function ? why it couldn't be found while the program already run successfully ?

file as attached below

[alexderjuengere]

it is supposed to be a user defined funtion within the python script you are calling

[alexderjuengere · Accepted solution]

goes like this 

def function():

 x = ... 

 return x

an easy example of a user defjnied function is shown in

C:\Program Files\National Instruments\LabVIEW 2020\examples\Connectivity\Python\support

Spoiler

import math

# EuclideanDistance(point1, point2) is called from PythonNode_ComputeEuclideanDistance.vi.

# LabVIEW passes the two point clusters as python tuples. The elements of the tuples can

# be accessed by indexing the tuple. The return value of the function is a double.

def EuclideanDistance(point1, point2😞

    xDiff = point1[0] - point2[0];

    yDiff = point1[1] - point2[1];

    return math.sqrt(xDiff*xDiff + yDiff*yDiff);

[PULSE.Wannabe]

thanks so much , I'm quite a beginner in python, met "return" few times but didn't know what it does 

[PULSE.Wannabe]

by the way, do you know how to take number/ data out from the python from the labview? I want to take data from python then process it in labview

[Gregory · Accepted solution]

Click on Help >> Find Examples... and search for "Python", you will find several examples.