Move 2.7 to 2 (#635)

Closes #579.

stdlib/2/token.pyi

@@ -0,0 +1,62 @@
+from typing import Dict
+
+ENDMARKER = 0
+NAME = 0
+NUMBER = 0
+STRING = 0
+NEWLINE = 0
+INDENT = 0
+DEDENT = 0
+LPAR = 0
+RPAR = 0
+LSQB = 0
+RSQB = 0
+COLON = 0
+COMMA = 0
+SEMI = 0
+PLUS = 0
+MINUS = 0
+STAR = 0
+SLASH = 0
+VBAR = 0
+AMPER = 0
+LESS = 0
+GREATER = 0
+EQUAL = 0
+DOT = 0
+PERCENT = 0
+BACKQUOTE = 0
+LBRACE = 0
+RBRACE = 0
+EQEQUAL = 0
+NOTEQUAL = 0
+LESSEQUAL = 0
+GREATEREQUAL = 0
+TILDE = 0
+CIRCUMFLEX = 0
+LEFTSHIFT = 0
+RIGHTSHIFT = 0
+DOUBLESTAR = 0
+PLUSEQUAL = 0
+MINEQUAL = 0
+STAREQUAL = 0
+SLASHEQUAL = 0
+PERCENTEQUAL = 0
+AMPEREQUAL = 0
+VBAREQUAL = 0
+CIRCUMFLEXEQUAL = 0
+LEFTSHIFTEQUAL = 0
+RIGHTSHIFTEQUAL = 0
+DOUBLESTAREQUAL = 0
+DOUBLESLASH = 0
+DOUBLESLASHEQUAL = 0
+AT = 0
+OP = 0
+ERRORTOKEN = 0
+N_TOKENS = 0
+NT_OFFSET = 0
+tok_name = ...  # type: Dict[int, str]
+
+def ISTERMINAL(x) -> bool: ...
+def ISNONTERMINAL(x) -> bool: ...
+def ISEOF(x) -> bool: ...