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I'm having the following problem with TPythonDelphiVar component. I use the next method to create one instance of this component on-the-fly: function TForm1.NewVariable(AVarName :string):TPythonDelphiVar; begin Result := TPythonDelphiVar.Create(nil); Result.Engine := PythonEngine; Result.Module := '__main__'; Result.VarName := AVarName; Result.Initialize; end; I have a Private variable declared in the TForm1class, like this: public FVariable :TPythonDelphiVar; And I use the next code to create on-the-fly my variable QUANTITY: FVariable := NewVariable('QUANTITY'); FVariable.Value := 1.0; All seems ok, but when I execute the program, and I try to print the value of QUANTITY: (Phyton script). print(QUANTITY) I get the following message error in a message error window: "NameError: 'QUANTITY' is not defined. " And in the output memo of the PythonEngine, the next one: Traceback (most recent call last): File "<string>", line 13, in <module> NameError: name 'QUANTITY' is not defined I can't understand why creating the TPythonDelphiVar on-the-fly doesn't work while creating the same component in design time works well. Do you understand what the problem is?