class Example(HasTraits):
     color = FuzzyEnum(
         color_choices,
         default_value=default_value,
         case_sensitive=case_sensitive,
         substring_matching=substring_matching,
     )
 class FuzzyExample(HasTraits):
     color = FuzzyEnum(color_choices,
                       help="Color enum",
                       substring_matching=True)
 class Example(HasTraits):
     enum1 = Enum(choices, allow_none=False)
     enum2 = CaselessStrEnum(choices, allow_none=False)
     enum3 = FuzzyEnum(choices, allow_none=False)
     enum4 = UseEnum(CSColor, allow_none=False)
 class FuzzyExample(HasTraits):
     color = FuzzyEnum(color_choices, help="Color enum")
 class Example(HasTraits):
     color = FuzzyEnum(color_choices,
                       case_sensitive=case_sensitive,
                       substring_matching=substring_matching)