def fix_environment():
"""Add enviroment variable on Windows systems."""
if platform.system() == "Windows":
pyqt = os.path.dirname(pyqt_path)
qt_platform_plugins_path = os.path.join(pyqt, "plugins")
os.environ['QT_QPA_PLATFORM_PLUGIN_PATH'] = qt_platform_plugins_path
# the text to show in the About window