Python debugger crashes

[rtanase]

Issue Type: Bug

Backend TkAgg is interactive backend. Turning interactive mode on. Traceback (most recent call last): File "c:\Users\ratanase.vscode\extensions\ms-python.python-2018.9.0\pythonFiles\experimental\ptvsd\ptvsd_vendored\pydevd_pydevd_bundle\pydevd_frame.py", line 649, in trace_dispatch self.do_wait_suspend(thread, frame, event, arg) File "c:\Users\ratanase.vscode\extensions\ms-python.python-2018.9.0\pythonFiles\experimental\ptvsd\ptvsd_vendored\pydevd_pydevd_bundle\pydevd_frame.py", line 134, in do_wait_suspend self._args[0].do_wait_suspend(*args, *kwargs) File "c:\Users\ratanase.vscode\extensions\ms-python.python-2018.9.0\pythonFiles\experimental\ptvsd\ptvsd_vendored\pydevd\pydevd.py", line 819, in do_wait_suspend self._activate_mpl_if_needed() File "c:\Users\ratanase.vscode\extensions\ms-python.python-2018.9.0\pythonFiles\experimental\ptvsd\ptvsd_vendored\pydevd\pydevd.py", line 442, in _activate_mpl_if_needed activate_function = self.mpl_modules_for_patching.pop(module) KeyError: 'matplotlib.pyplot' Traceback (most recent call last): File "c:\Users\ratanase.vscode\extensions\ms-python.python-2018.9.0\pythonFiles\experimental\ptvsd\ptvsd_vendored\pydevd_pydevd_bundle\pydevd_trace_dispatch_regular.py", line 316, in call ).trace_dispatch(frame, event, arg) File "c:\Users\ratanase.vscode\extensions\ms-python.python-2018.9.0\pythonFiles\experimental\ptvsd\ptvsd_vendored\pydevd_pydevd_bundle\pydevd_frame.py", line 649, in trace_dispatch self.do_wait_suspend(thread, frame, event, arg) File "c:\Users\ratanase.vscode\extensions\ms-python.python-2018.9.0\pythonFiles\experimental\ptvsd\ptvsd_vendored\pydevd_pydevd_bundle\pydevd_frame.py", line 134, in do_wait_suspend self._args[0].do_wait_suspend(args, **kwargs) File "c:\Users\ratanase.vscode\extensions\ms-python.python-2018.9.0\pythonFiles\experimental\ptvsd\ptvsd_vendored\pydevd\pydevd.py", line 819, in do_wait_suspend self._activate_mpl_if_needed() File "c:\Users\ratanase.vscode\extensions\ms-python.python-2018.9.0\pythonFiles\experimental\ptvsd\ptvsd_vendored\pydevd\pydevd.py", line 442, in _activate_mpl_if_needed activate_function = self.mpl_modules_for_patching.pop(module) KeyError: 'matplotlib.pyplot'

VS Code version: Code 1.28.1 (3368db6750222d319c851f6d90eb619d886e08f5, 2018-10-11T18:13:53.910Z) OS version: Windows_NT x64 10.0.17763

System Info

|Item|Value| |---|---| |CPUs|Intel(R) Core(TM) i7-7700 CPU @ 3.60GHz (8 x 3600)| |GPU Status|2d_canvas: enabled
checker_imaging: disabled_off
flash_3d: enabled
flash_stage3d: enabled
flash_stage3d_baseline: enabled
gpu_compositing: enabled
multiple_raster_threads: enabled_on
native_gpu_memory_buffers: disabled_software
rasterization: enabled
video_decode: enabled
video_encode: enabled
webgl: enabled
webgl2: enabled| |Memory (System)|47.79GB (29.09GB free)| |Process Argv|| |Screen Reader|no| |VM|0%|

Extensions (19)

Extension|Author (truncated)|Version ---|---|--- gitdiffer|aag|0.0.3 scope-bar|amo|0.1.0 vscode-python-docstring|aza|0.0.5 jupyter|don|1.1.4 xml|Dot|2.3.2 gitlens|eam|8.5.6 compareit|in4|0.0.2 vscode-line-endings|jha|0.1.0 nbpreviewer|jit|1.0.0 binary-viewer|mom|0.0.1 python|ms-|2018.9.1 csharp|ms-|1.16.2 PowerShell|ms-|1.9.0 autodocstring|njp|0.2.3 partial-diff|ryu|1.4.0 git-merger|sha|0.4.1 vscodeintellicode|Vis|1.0.5 markdown-all-in-one|yzh|1.6.2 t4-support|zbe|0.4.2

[bjg2]

Hey, this happened to me as well. I can't debug my code, can you please fix this?

[Tyriar]

https://github.com/Microsoft/vscode-python/