add (overwrite with) mypy stubs, if available

stdlib/2.7/shutil.pyi

@@ -0,0 +1,30 @@
+# Stubs for shutil (Python 2)
+#
+# NOTE: Based on a dynamically typed stub automatically generated by stubgen.
+
+from typing import List, Iterable, Callable, IO, AnyStr, Any, Tuple, Sequence
+
+class Error(EnvironmentError): ...
+class SpecialFileError(EnvironmentError): ...
+class ExecError(EnvironmentError): ...
+
+def copyfileobj(fsrc: IO[AnyStr], fdst: IO[AnyStr], length: int = ...) -> None: ...
+def copyfile(src: unicode, dst: unicode) -> None: ...
+def copymode(src: unicode, dst: unicode) -> None: ...
+def copystat(src: unicode, dst: unicode) -> None: ...
+def copy(src: unicode, dst: unicode) -> None: ...
+def copy2(src: unicode, dst: unicode) -> None: ...
+def ignore_patterns(*patterns: AnyStr) -> Callable[[AnyStr, List[AnyStr]], Iterable[AnyStr]]: ...
+def copytree(src: AnyStr, dst: AnyStr, symlinks: bool = False,
+             ignore: Callable[[AnyStr, List[AnyStr]], Iterable[AnyStr]] = None) -> None: ...
+def rmtree(path: AnyStr, ignore_errors: bool = False,
+           onerror: Callable[[Any, AnyStr, Any], None] = None) -> None: ...
+def move(src: unicode, dst: unicode) -> None: ...
+def get_archive_formats() -> List[Tuple[str, str]]: ...
+def register_archive_format(name: str, function: Callable[..., Any],
+                            extra_args: Sequence[Tuple[str, Any]] = None,
+                            description: str = '') -> None: ...
+def unregister_archive_format(name: str) -> None: ...
+def make_archive(base_name: AnyStr, format: str, root_dir: unicode = None,
+                 base_dir: unicode = None, verbose: int = 0, dry_run: int = 0,
+                 owner: str = None, group: str = None, logger: Any = None) -> AnyStr: ...