Move 2.7 to 2 (#635)

Closes #579.

stdlib/2/simplejson/__init__.pyi

@@ -0,0 +1,10 @@
+from typing import Any, IO
+
+def dumps(obj: Any) -> str: ...
+def dump(obj: Any, fp: IO[str], *args: Any, **kwds: Any) -> None: ...
+def loads(s: str, **kwds: Any) -> Any: ...
+def load(fp: IO[str]) -> Any: ...
+
+from simplejson.scanner import JSONDecodeError
+from simplejson.decoder import JSONDecoder
+from simplejson.encoder import JSONEncoder, JSONEncoderForHTML

stdlib/2/simplejson/decoder.pyi

@@ -0,0 +1,6 @@
+from typing import Any, Match
+
+class JSONDecoder(object):
+    def __init__(self, **kwargs): ...
+    def decode(self, s: str, _w: Match[str], _PY3: bool): ...
+    def raw_decode(self, s: str, idx: int, _w: Match[str], _PY3: bool): ...

stdlib/2/simplejson/encoder.pyi

@@ -0,0 +1,9 @@
+from typing import Any, IO
+
+class JSONEncoder(object):
+    def __init__(self, *args, **kwargs): ...
+    def encode(self, o: Any): ...
+    def default(self, o: Any): ...
+    def iterencode(self, o: Any, _one_shot: bool): ...
+
+class JSONEncoderForHTML(JSONEncoder): ...

stdlib/2/simplejson/scanner.pyi

@@ -0,0 +1,7 @@
+from typing import Any, IO
+
+class JSONDecodeError(ValueError):
+    def dumps(self, obj: Any) -> str: ...
+    def dump(self, obj: Any, fp: IO[str], *args: Any, **kwds: Any) -> None: ...
+    def loads(self, s: str) -> Any: ...
+    def load(self, fp: IO[str]) -> Any: ...