Problems pop out when changing __repr__ in a class inherent str class

[plinypan]

Description

What steps will reproduce the problem?

1. Create a class with parent str
2. Define __repr or str in the class otherwise
3. Create an instance of this new class and try to print it

What is the expected output? What do you see instead?
Return of the newly defined repr should be printed instead

Please provide any additional information below
I was using Anaconda3.6
File "D:\Coding\lib\site-packages\qtconsole\base_frontend_mixin.py", line 163, in _dispatch
handler(msg)
File "D:\Coding\lib\site-packages\spyder\widgets\ipythonconsole\namespacebrowser.py", line 220, in _handle_execute_reply
self.handle_exec_method(msg)
File "D:\Coding\lib\site-packages\spyder\widgets\ipythonconsole\shell.py", line 354, in handle_exec_method
view = ast.literal_eval(literal)
File "D:\Coding\lib\ast.py", line 48, in literal_eval
node_or_string = parse(node_or_string, mode='eval')
File "D:\Coding\lib\ast.py", line 35, in parse
return compile(source, filename, mode, PyCF_ONLY_AST)
File "", line 1
{'a': {'type': 'tp', 'size': 1, 'color': '#800000', 'view': tp:2016}}
^
SyntaxError: invalid syntax

Version and main components

• Spyder Version: 3.2.4
• Python Version: 3.6.3
• Qt Versions: 5.6.2, PyQt5 5.6 on Windows

Dependencies

pyflakes >=0.6.0 :  1.6.0 (OK)
pycodestyle >=2.3:  2.3.1 (OK)
pygments >=2.0   :

[ccordoba12]

Thanks for reporting. This is a duplicate of issue #5636 and it'll be fixed in our next release (3.2.6).