Extremely confused with importing microsoft .NET library (ModuleNotFoundError) #2494

import re
from pythonnet import load

load("netfx")

import clr

clr.AddReference(
    r"C:\Users\this1\Desktop\Software\Somalifuscator-Powershell-Edition\System.Management.Automation.dll"
)

from System.Management.Automation.Language import (
    Parser,
    StringConstantExpressionAst,
    VariableExpressionAst,
)