Move 2.7 to 2 (#635)

Closes #579.

stdlib/2/pprint.pyi

@@ -0,0 +1,24 @@
+# Stubs for pprint (Python 2)
+#
+# NOTE: Based on a dynamically typed automatically generated by stubgen.
+
+from typing import IO, Any
+
+def pprint(object: Any, stream: IO[str] = ..., indent: int = ..., width: int = ...,
+           depth: int = ...) -> None: ...
+def pformat(object: Any, indent: int =..., width: int =..., depth: int =...) -> str: ...
+def saferepr(object): ...
+def isreadable(object): ...
+def isrecursive(object): ...
+
+class PrettyPrinter:
+    def __init__(self,
+                 indent: int = ...,
+                 width: int = ...,
+                 depth: int = ...,
+                 stream: IO[Any] = ...) -> None: ...
+    def pprint(self, object: Any) -> str: ...
+    def pformat(self, object): ...
+    def isrecursive(self, object): ...
+    def isreadable(self, object): ...
+    def format(self, object, context, maxlevels, level): ...