Fix a bug in 3.6+ keyword-only argument passing

test/simple_source/bug36/02_call_ex_kw.py

@@ -53,3 +53,9 @@ from collections import namedtuple
 Point = namedtuple('Point', 'x y')
 p = Point(11, 22)
 assert p == Point(**dict(x=11, y=22))
+
+# From 3.7 test/test_keywordonlyarg.py
+# Bug was in handling {"4":4} as a dictionary needing **
+def posonly_sum(pos_arg1, *arg, **kwarg):
+    return pos_arg1 + sum(arg) + sum(kwarg.values())
+assert 1+2+3+4 == posonly_sum(1,*(2,3),**{"4":4})

test/stdlib/3.6-exclude.sh

@@ -88,7 +88,6 @@ SKIP_TESTS=(
     [test_inspect.py]=1 # Syntax error Investigate
     [test_itertools.py]=1 #
 
-    [test_keywordonlyarg.py]=1 # Investigate
     [test_kqueue.py]=1 # it fails on its own
 
     [test_lib2to3.py]=1 # it fails on its own

test/stdlib/3.7-exclude.sh

@@ -54,7 +54,6 @@ SKIP_TESTS=(
     [test_index.py]=1  # parse error
     [test_inspect.py]=1 # test failures
     [test_itertools.py]=1 # parse error
-    [test_keywordonlyarg.py]=1 # Investigate: parameter handling
     [test_kqueue.py]=1 # it fails on its own
     [test_lib2to3.py]=1 # it fails on its own
     [test_long.py]=1 # investigate

uncompyle6/semantics/customize36.py

@@ -188,7 +188,7 @@ def customize_for_version36(self, version):
         self.write(', ')
 
         kwargs = node[2]
-        if kwargs == 'expr':
+        if kwargs == 'expr' and kwargs[0] != "dict":
             kwargs = kwargs[0]
         if kwargs == 'dict':
             self.call36_dict(kwargs)