import bpy
from bpy.types import Panel, Operator
from bpy.utils import register_class, unregister_class


bl_info = {
    'name': 'Unicode Test',
    'category': 'All',
    'version': (1, 0, 0),
    'blender': (2, 91, 0),
}

class PrintUnicodeTest(Operator):
    bl_idname = 'unicode.test'
    bl_label = 'Operator name'

    def execute(self, context):
        text = "Привет"
        print(text)
        self.report({"INFO"}, text)
        return {'FINISHED'}

def register():
    register_class(PrintUnicodeTest)

def unregister():
    unregister_class(PrintUnicodeTest)

if __name__ == '__main__':
    register()
    bpy.ops.unicode.test()