Move 2.7 to 2 (#635)

Closes #579.

stdlib/2/quopri.pyi

@@ -0,0 +1,8 @@
+# Stubs for quopri (Python 2)
+#
+# NOTE: This dynamically typed stub was automatically generated by stubgen.
+
+def encode(input, output, quotetabs, header=0): ...
+def encodestring(s, quotetabs=0, header=0): ...
+def decode(input, output, header=0): ...
+def decodestring(s, header=0): ...