How to use the pyperclip.__version__ function in pyperclip

installed_version = None
        if package_name == 'frida':
            import frida
            installed_version = frida.__version__
        elif package_name == 'capstone':
            import capstone
            installed_version = capstone.__version__
        elif package_name == 'requests':
            import requests
            installed_version = requests.__version__
        elif package_name == 'pyqt5':
            from PyQt5 import QtCore
            installed_version = QtCore.PYQT_VERSION_STR
        elif package_name == 'pyperclip':
            import pyperclip
            installed_version = pyperclip.__version__
        if installed_version is not None:
            installed_version = installed_version.split('.')
            _min_version = min_version.split('.')
            needs_update = False
            if int(installed_version[0]) < int(_min_version[0]):
                needs_update = True
            elif (int(installed_version[0]) <= int(_min_version[0])) and (
                    int(installed_version[1]) < int(_min_version[1])):
                needs_update = True
            elif (int(installed_version[1]) <= int(_min_version[1])) and (
                    int(installed_version[2]) < int(_min_version[2])):
                needs_update = True

            if needs_update:
                print('updating ' + package_name + '... to ' + min_version)
                if pip_install_package(package_name + '>=' + min_version):