updated from Atlas

05-data-classes/meaning/demo_dc.py

@@ -2,7 +2,6 @@ from dataclasses import dataclass
 
 @dataclass
 class DemoDataClass:
-
     a: int           # <1>
     b: float = 1.1   # <2>
     c = 'spam'       # <3>

05-data-classes/meaning/demo_nt.py

@@ -1,7 +1,6 @@
 import typing
 
 class DemoNTClass(typing.NamedTuple):
-
     a: int           # <1>
     b: float = 1.1   # <2>
     c = 'spam'       # <3>

05-data-classes/meaning/demo_plain.py

@@ -1,5 +1,4 @@
 class DemoPlainClass:
-
     a: int           # <1>
     b: float = 1.1   # <2>
     c = 'spam'       # <3>