Merge pull request #71 from jiangpengcheng/tupple_bug

tupples which contain only 1 element need a comma

test/simple_source/expression/03_tuple_assign.py

@@ -5,3 +5,8 @@ def some_function():
 def some_other_function():
     some_variable, = some_function()
     print(some_variable)
+
+empty_tup = ()
+one_item_tup = ("item1", )
+one_item_tup_without_parentheses = "item", 
+many_items_tup = ("item1", "item2", "item3")

uncompyle6/semantics/pysource.py

@@ -924,6 +924,8 @@ class SourceWalker(GenericASTTraversal, object):
                 sep += ' '
                 pass
             pass
+        if len(tup) == 1:
+            self.write(", ")
         self.write(')')
 
     def n_LOAD_CONST(self, node):