this is patch
[ 988698 ] compiler.transformer fix for (a, b) = 1, 2
fixing bug
[ 988613 ] compiler.transformer and tuple unpacking
diff --git a/Lib/compiler/transformer.py b/Lib/compiler/transformer.py
index 6832cf1..aa5a28b 100644
--- a/Lib/compiler/transformer.py
+++ b/Lib/compiler/transformer.py
@@ -929,7 +929,7 @@
# loop to avoid trivial recursion
while 1:
t = node[0]
- if t == symbol.exprlist or t == symbol.testlist:
+ if t == symbol.exprlist or t == symbol.testlist or t == symbol.testlist_gexp:
if len(node) > 2:
return self.com_assign_tuple(node, assigning)
node = node[1]