Shell - Python output

Hi,

currently I am using B4J on my raspberry.
I am using Shell to execute python scripts and get the output, but here is the problem: I didn't get any output ...

Example test.py:

Code:

  import time
while True:
    print("test")
    time.sleep(1)  

B4J code:

Code:

  Sub StartTest
Dim shl As Shell
    shl.Initialize("shl","python",Array("/.../.../test.py"))
    shl.RunWithOutputEvents(-1)
End Sub

Sub shl_StdOut (Buffer() As Byte, Length As Int)
Dim Output As String =...  

Shell - Python output

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