Runtime Error raised while closing IPython Console instance

[yb520bbtt]

Description

What steps will reproduce the problem?

What is the expected output? What do you see instead?

Please provide any additional information below

File "C:\ProgramData\Anaconda2\lib\site-packages\spyder\plugins\ipythonconsole.py", line 1236, in close_client
client.stop_button_click_handler()
File "C:\ProgramData\Anaconda2\lib\site-packages\spyder\widgets\ipythonconsole\client.py", line 235, in stop_button_click_handler
self.interrupt_kernel()
File "C:\ProgramData\Anaconda2\lib\site-packages\spyder\widgets\ipythonconsole\client.py", line 391, in interrupt_kernel
self.shellwidget.request_interrupt_kernel()
File "C:\ProgramData\Anaconda2\lib\site-packages\qtconsole\frontend_widget.py", line 345, in request_interrupt_kernel
self.interrupt_kernel()
File "C:\ProgramData\Anaconda2\lib\site-packages\qtconsole\frontend_widget.py", line 638, in interrupt_kernel
self.kernel_manager.interrupt_kernel()
File "C:\ProgramData\Anaconda2\lib\site-packages\jupyter_client\manager.py", line 408, in interrupt_kernel
raise RuntimeError("Cannot interrupt kernel. No kernel is running!")
RuntimeError: Cannot interrupt kernel. No kernel is running!

Version and main components

• Spyder Version: 3.2.3
• Python Version: 2.7.13
• Qt Versions: 5.6.2, PyQt5 5.6 on Windows

Dependencies

pyflakes >=0.5.0  :  1.5.0 (OK)
pycodestyle >=2.3 :  2.3.1 (OK)

[yb520bbtt]

111

[ccordoba12]

Thanks for reporting.

@dalthviz, please work on this one. The fix simply consists in surrounding client.stop_button_click_handler() with a try/except that catches RuntimeError.