diff --git a/Parser/Python.asdl b/Parser/Python.asdl
index 876c175..6b06dec 100644
--- a/Parser/Python.asdl
+++ b/Parser/Python.asdl
@@ -2,119 +2,119 @@
 
 module Python
 {
-	mod = Module(stmt* body)
-	    | Interactive(stmt* body)
-	    | Expression(expr body)
+    mod = Module(stmt* body)
+        | Interactive(stmt* body)
+        | Expression(expr body)
 
-	    -- not really an actual node but useful in Jython's typesystem.
-	    | Suite(stmt* body)
+        -- not really an actual node but useful in Jython's typesystem.
+        | Suite(stmt* body)
 
-	stmt = FunctionDef(identifier name, arguments args, 
+    stmt = FunctionDef(identifier name, arguments args, 
                            stmt* body, expr* decorator_list, expr? returns)
-	      | ClassDef(identifier name, 
-			 expr* bases,
-			 keyword* keywords,
-			 expr? starargs,
-			 expr? kwargs,
-			 stmt* body,
-			 expr* decorator_list)
-	      | Return(expr? value)
+          | ClassDef(identifier name, 
+             expr* bases,
+             keyword* keywords,
+             expr? starargs,
+             expr? kwargs,
+             stmt* body,
+             expr* decorator_list)
+          | Return(expr? value)
 
-	      | Delete(expr* targets)
-	      | Assign(expr* targets, expr value)
-	      | AugAssign(expr target, operator op, expr value)
+          | Delete(expr* targets)
+          | Assign(expr* targets, expr value)
+          | AugAssign(expr target, operator op, expr value)
 
-	      -- use 'orelse' because else is a keyword in target languages
-	      | For(expr target, expr iter, stmt* body, stmt* orelse)
-	      | While(expr test, stmt* body, stmt* orelse)
-	      | If(expr test, stmt* body, stmt* orelse)
-	      | With(withitem* items, stmt* body)
+          -- use 'orelse' because else is a keyword in target languages
+          | For(expr target, expr iter, stmt* body, stmt* orelse)
+          | While(expr test, stmt* body, stmt* orelse)
+          | If(expr test, stmt* body, stmt* orelse)
+          | With(withitem* items, stmt* body)
 
-	      | Raise(expr? exc, expr? cause)
-	      | Try(stmt* body, excepthandler* handlers, stmt* orelse, stmt* finalbody)
-	      | Assert(expr test, expr? msg)
+          | Raise(expr? exc, expr? cause)
+          | Try(stmt* body, excepthandler* handlers, stmt* orelse, stmt* finalbody)
+          | Assert(expr test, expr? msg)
 
-	      | Import(alias* names)
-	      | ImportFrom(identifier? module, alias* names, int? level)
+          | Import(alias* names)
+          | ImportFrom(identifier? module, alias* names, int? level)
 
-	      | Global(identifier* names)
-	      | Nonlocal(identifier* names)
-	      | Expr(expr value)
-	      | Pass | Break | Continue
+          | Global(identifier* names)
+          | Nonlocal(identifier* names)
+          | Expr(expr value)
+          | Pass | Break | Continue
 
-	      -- XXX Jython will be different
-	      -- col_offset is the byte offset in the utf8 string the parser uses
-	      attributes (int lineno, int col_offset)
+          -- XXX Jython will be different
+          -- col_offset is the byte offset in the utf8 string the parser uses
+          attributes (int lineno, int col_offset)
 
-	      -- BoolOp() can use left & right?
-	expr = BoolOp(boolop op, expr* values)
-	     | BinOp(expr left, operator op, expr right)
-	     | UnaryOp(unaryop op, expr operand)
-	     | Lambda(arguments args, expr body)
-	     | IfExp(expr test, expr body, expr orelse)
-	     | Dict(expr* keys, expr* values)
-	     | Set(expr* elts)
-	     | ListComp(expr elt, comprehension* generators)
-	     | SetComp(expr elt, comprehension* generators)
-	     | DictComp(expr key, expr value, comprehension* generators)
-	     | GeneratorExp(expr elt, comprehension* generators)
-	     -- the grammar constrains where yield expressions can occur
-	     | Yield(expr? value)
+          -- BoolOp() can use left & right?
+    expr = BoolOp(boolop op, expr* values)
+         | BinOp(expr left, operator op, expr right)
+         | UnaryOp(unaryop op, expr operand)
+         | Lambda(arguments args, expr body)
+         | IfExp(expr test, expr body, expr orelse)
+         | Dict(expr* keys, expr* values)
+         | Set(expr* elts)
+         | ListComp(expr elt, comprehension* generators)
+         | SetComp(expr elt, comprehension* generators)
+         | DictComp(expr key, expr value, comprehension* generators)
+         | GeneratorExp(expr elt, comprehension* generators)
+         -- the grammar constrains where yield expressions can occur
+         | Yield(expr? value)
              | YieldFrom(expr? value)
-	     -- need sequences for compare to distinguish between
-	     -- x < 4 < 3 and (x < 4) < 3
-	     | Compare(expr left, cmpop* ops, expr* comparators)
-	     | Call(expr func, expr* args, keyword* keywords,
-			 expr? starargs, expr? kwargs)
-	     | Num(object n) -- a number as a PyObject.
-	     | Str(string s) -- need to specify raw, unicode, etc?
-	     | Bytes(bytes s)
-	     | Ellipsis
-	     -- other literals? bools?
+         -- need sequences for compare to distinguish between
+         -- x < 4 < 3 and (x < 4) < 3
+         | Compare(expr left, cmpop* ops, expr* comparators)
+         | Call(expr func, expr* args, keyword* keywords,
+             expr? starargs, expr? kwargs)
+         | Num(object n) -- a number as a PyObject.
+         | Str(string s) -- need to specify raw, unicode, etc?
+         | Bytes(bytes s)
+         | Ellipsis
+         -- other literals? bools?
 
-	     -- the following expression can appear in assignment context
-	     | Attribute(expr value, identifier attr, expr_context ctx)
-	     | Subscript(expr value, slice slice, expr_context ctx)
-	     | Starred(expr value, expr_context ctx)
-	     | Name(identifier id, expr_context ctx)
-	     | List(expr* elts, expr_context ctx) 
-	     | Tuple(expr* elts, expr_context ctx)
+         -- the following expression can appear in assignment context
+         | Attribute(expr value, identifier attr, expr_context ctx)
+         | Subscript(expr value, slice slice, expr_context ctx)
+         | Starred(expr value, expr_context ctx)
+         | Name(identifier id, expr_context ctx)
+         | List(expr* elts, expr_context ctx) 
+         | Tuple(expr* elts, expr_context ctx)
 
-	      -- col_offset is the byte offset in the utf8 string the parser uses
-	      attributes (int lineno, int col_offset)
+          -- col_offset is the byte offset in the utf8 string the parser uses
+          attributes (int lineno, int col_offset)
 
-	expr_context = Load | Store | Del | AugLoad | AugStore | Param
+    expr_context = Load | Store | Del | AugLoad | AugStore | Param
 
-	slice = Slice(expr? lower, expr? upper, expr? step) 
-	      | ExtSlice(slice* dims) 
-	      | Index(expr value) 
+    slice = Slice(expr? lower, expr? upper, expr? step) 
+          | ExtSlice(slice* dims) 
+          | Index(expr value) 
 
-	boolop = And | Or 
+    boolop = And | Or 
 
-	operator = Add | Sub | Mult | Div | Mod | Pow | LShift 
+    operator = Add | Sub | Mult | Div | Mod | Pow | LShift 
                  | RShift | BitOr | BitXor | BitAnd | FloorDiv
 
-	unaryop = Invert | Not | UAdd | USub
+    unaryop = Invert | Not | UAdd | USub
 
-	cmpop = Eq | NotEq | Lt | LtE | Gt | GtE | Is | IsNot | In | NotIn
+    cmpop = Eq | NotEq | Lt | LtE | Gt | GtE | Is | IsNot | In | NotIn
 
-	comprehension = (expr target, expr iter, expr* ifs)
+    comprehension = (expr target, expr iter, expr* ifs)
 
-	excepthandler = ExceptHandler(expr? type, identifier? name, stmt* body)
-	                attributes (int lineno, int col_offset)
+    excepthandler = ExceptHandler(expr? type, identifier? name, stmt* body)
+                    attributes (int lineno, int col_offset)
 
-	arguments = (arg* args, identifier? vararg, expr? varargannotation,
+    arguments = (arg* args, identifier? vararg, expr? varargannotation,
                      arg* kwonlyargs, identifier? kwarg,
                      expr? kwargannotation, expr* defaults,
                      expr* kw_defaults)
-	arg = (identifier arg, expr? annotation)
+    arg = (identifier arg, expr? annotation)
 
-        -- keyword arguments supplied to call
-        keyword = (identifier arg, expr value)
+    -- keyword arguments supplied to call
+    keyword = (identifier arg, expr value)
 
-        -- import name with optional 'as' alias.
-        alias = (identifier name, identifier? asname)
+    -- import name with optional 'as' alias.
+    alias = (identifier name, identifier? asname)
 
-        withitem = (expr context_expr, expr? optional_vars)
+    withitem = (expr context_expr, expr? optional_vars)
 }