strings need quotes in ADD_VALUE instructions

uncompyle6/semantics/make_function36.py

@@ -31,7 +31,6 @@ from uncompyle6.semantics.helper import (
     find_globals_and_nonlocals,
     find_none,
 )
-from itertools import zip_longest
 
 from uncompyle6.show import maybe_show_tree_param_default
 
@@ -249,7 +248,9 @@ def make_function36(self, node, is_lambda, nested=1, code_node=None):
                 self.write(", ")
                 ends_in_comma = True
 
-        ann_dict = kw_dict = default_tup = None
+        # ann_dict = kw_dict = default_tup = None
+        kw_dict = None
+
         fn_bits = node[-1].attr
         # Skip over:
         #  MAKE_FUNCTION,

uncompyle6/semantics/n_actions.py

@@ -233,6 +233,9 @@ class NonterminalActions:
             assert len(keys) == len(flat_elems) - 1
             for i, elem in enumerate(flat_elems[:-1]):
                 assert elem.kind == "ADD_VALUE"
+                try:
+                    value = "%r" % elem.pattr
+                except Exception:
                     value = elem.pattr
                 if elem.linestart is not None:
                     if elem.linestart != self.line_number:
@@ -255,6 +258,9 @@ class NonterminalActions:
         else:
             for elem in flat_elems:
                 assert elem.kind == "ADD_VALUE"
+                try:
+                    value = "%r" % elem.pattr
+                except Exception:
                     value = elem.pattr
                 if elem.linestart is not None:
                     if elem.linestart != self.line_number: