import parser

code = """
x, y = 5, 0
try:
    result = x / y
except ZeroDivisionError:
    print "division by zero"
"""

ast = parser.suite(code)
tpl = parser.ast2tuple(ast)
parser.tuple2ast(tpl) # Fine

code = """
x, y = 5, 0
try:
    result = x / y
finally:
    print "finally clause"
"""

ast = parser.suite(code)
tpl = parser.ast2tuple(ast)
parser.tuple2ast(tpl) # Fine

code = """
x, y = 5, 0
try:
    result = x / y
except ZeroDivisionError:
    print "division by zero"
finally:
    print "finally clause"
"""

ast = parser.suite(code)
tpl = parser.ast2tuple(ast)
parser.tuple2ast(tpl) # Fails

code = """
x, y = 5, 0
try:
    result = x / y
except ZeroDivisionError:
    print "division by zero"
else:
    print "result is", result
finally:
    print "finally clause"
"""

ast = parser.suite(code)
tpl = parser.ast2tuple(ast)
parser.tuple2ast(tpl) # Fails