Convert namedtuples to class syntax (#3321)

third_party/2and3/decorator.pyi

@@ -11,14 +11,14 @@ if sys.version_info >= (3,):
     from inspect import iscoroutinefunction as iscoroutinefunction
     from inspect import getfullargspec as getfullargspec
 else:
-    FullArgSpec = NamedTuple('FullArgSpec', [('args', List[str]),
-                                             ('varargs', Optional[str]),
-                                             ('varkw', Optional[str]),
-                                             ('defaults', Tuple[Any, ...]),
-                                             ('kwonlyargs', List[str]),
-                                             ('kwonlydefaults', Dict[str, Any]),
-                                             ('annotations', Dict[str, Any]),
-                                             ])
+    class FullArgSpec(NamedTuple):
+        args: List[str]
+        varargs: Optional[str]
+        varkw: Optional[str]
+        defaults: Tuple[Any, ...]
+        kwonlyargs: List[str]
+        kwonlydefaults: Dict[str, Any]
+        annotations: Dict[str, Any]
     def iscoroutinefunction(f: Callable[..., Any]) -> bool: ...
     def getfullargspec(func: Any) -> FullArgSpec: ...
 

third_party/2and3/jinja2/filters.pyi

@@ -37,7 +37,9 @@ def do_batch(value, linecount, fill_with: Optional[Any] = ...): ...
 def do_round(value, precision: int = ..., method: str = ...): ...
 def do_groupby(environment, value, attribute): ...
 
-_GroupTuple = NamedTuple("_GroupTuple", [("grouper", Any), ("list", Any)])
+class _GroupTuple(NamedTuple):
+    grouper: Any
+    list: Any
 
 def do_sum(environment, iterable, attribute: Optional[Any] = ..., start: int = ...): ...
 def do_list(value): ...

third_party/2and3/werkzeug/urls.pyi

@@ -1,12 +1,11 @@
-from collections import namedtuple
-from typing import Any, Optional, Text
-
-
-_URLTuple = namedtuple(
-    '_URLTuple',
-    ['scheme', 'netloc', 'path', 'query', 'fragment']
-)
+from typing import Any, NamedTuple, Optional, Text
 
+class _URLTuple(NamedTuple):
+    scheme: Any
+    netloc: Any
+    path: Any
+    query: Any
+    fragment: Any
 
 class BaseURL(_URLTuple):
     def replace(self, **kwargs): ...