u"Hello" x = u"Hello" # UP025 u'world' # UP025 print(u"Hello") # UP025 print(u'world') # UP025 import foo foo(u"Hello", U"world", a=u"Hello", b=u"world") # UP025 # Retain quotes when fixing. x = u'hello' # UP025 x = u"""hello""" # UP025 x = u'''hello''' # UP025 x = u'Hello "World"' # UP025 u = "Hello" # OK u = u # OK def hello(): return"Hello" # OK f"foo"u"bar" # OK f"foo" u"bar" # OK