Move 2.7 to 2 (#635)

Closes #579.

stdlib/2/mimetools.pyi

@@ -0,0 +1,31 @@
+# Stubs for mimetools (Python 2)
+#
+# NOTE: This dynamically typed stub was automatically generated by stubgen.
+
+from typing import Any
+import rfc822
+
+class Message(rfc822.Message):
+    encodingheader = ... # type: Any
+    typeheader = ... # type: Any
+    def __init__(self, fp, seekable=1): ...
+    plisttext = ... # type: Any
+    type = ... # type: Any
+    maintype = ... # type: Any
+    subtype = ... # type: Any
+    def parsetype(self): ...
+    plist = ... # type: Any
+    def parseplist(self): ...
+    def getplist(self): ...
+    def getparam(self, name): ...
+    def getparamnames(self): ...
+    def getencoding(self): ...
+    def gettype(self): ...
+    def getmaintype(self): ...
+    def getsubtype(self): ...
+
+def choose_boundary(): ...
+def decode(input, output, encoding): ...
+def encode(input, output, encoding): ...
+def copyliteral(input, output): ...
+def copybinary(input, output): ...