Backed out changeset 521232b05b97
diff --git a/Grammar/Grammar b/Grammar/Grammar
index 2a361ec..d7aaffd 100644
--- a/Grammar/Grammar
+++ b/Grammar/Grammar
@@ -24,8 +24,7 @@
 decorated: decorators (classdef | funcdef)
 funcdef: 'def' NAME parameters ['->' test] ':' suite
 parameters: '(' [typedargslist] ')'
-typedargslist: (tfpdef ['=' test] (',' tfpdef ['=' test])*
-               [',' '/' (',' tfpdef ['=' test])*] [','
+typedargslist: (tfpdef ['=' test] (',' tfpdef ['=' test])* [','
        ['*' [tfpdef] (',' tfpdef ['=' test])* [',' '**' tfpdef] | '**' tfpdef]]
      |  '*' [tfpdef] (',' tfpdef ['=' test])* [',' '**' tfpdef] | '**' tfpdef)
 tfpdef: NAME [':' test]