Traceback (most recent call last):

 "C:\ProgramData\Anaconda3\lib\logging\__init__.py", line 992, in emit
msg = self.format(record)

 "C:\ProgramData\Anaconda3\lib\logging\__init__.py", line 838, in format
return fmt.format(record)

 "C:\ProgramData\Anaconda3\lib\logging\__init__.py", line 575, in format
record.message = record.getMessage()

 "C:\ProgramData\Anaconda3\lib\logging\__init__.py", line 338, in getMessage
msg = msg % self.argsValueError: incomplete format
Traceback (most recent call last):


 "/Users/walter/pyvenvs/ipython-bad/bin/ipython", line 8, in <module>

sys.exit(start_ipython())


 "/Users/walter/pyvenvs/ipython-bad/lib/python3.8/site-packages/IPython/__init__.py", line 126, in start_ipython

return launch_new_instance(argv=argv, **kwargs)


 "/Users/walter/pyvenvs/ipython-bad/lib/python3.8/site-packages/traitlets/config/application.py", line 837, in launch_instance

app.start()


 "/Users/walter/pyvenvs/ipython-bad/lib/python3.8/site-packages/IPython/terminal/ipapp.py", line 356, in start

self.shell.mainloop()


 "/Users/walter/pyvenvs/ipython-bad/lib/python3.8/site-packages/IPython/terminal/interactiveshell.py", line 564, in mainloop

self.interact()


 "/Users/walter/pyvenvs/ipython-bad/lib/python3.8/site-packages/IPython/terminal/interactiveshell.py", line 555, in interact

self.run_cell(code, store_history=True)


 "/Users/walter/pyvenvs/ipython-bad/lib/python3.8/site-packages/IPython/core/interactiveshell.py", line 2876, in run_cell

result = self._run_cell(


 "/Users/walter/pyvenvs/ipython-bad/lib/python3.8/site-packages/IPython/core/interactiveshell.py", line 2927, in _run_cell

self.showtraceback(running_compiled_code=True)


 "/Users/walter/pyvenvs/ipython-bad/lib/python3.8/site-packages/IPython/core/interactiveshell.py", line 2046, in showtraceback

stb = self.InteractiveTB.structured_traceback(etype,


 "/Users/walter/pyvenvs/ipython-bad/lib/python3.8/site-packages/IPython/core/ultratb.py", line 1435, in structured_traceback

return FormattedTB.structured_traceback(


 "/Users/walter/pyvenvs/ipython-bad/lib/python3.8/site-packages/IPython/core/ultratb.py", line 1335, in structured_traceback

return VerboseTB.structured_traceback(


 "/Users/walter/pyvenvs/ipython-bad/lib/python3.8/site-packages/IPython/core/ultratb.py", line 1210, in structured_traceback

formatted_exceptions += self.format_exception_as_a_whole(etype, evalue, etb, lines_of_context,


 "/Users/walter/pyvenvs/ipython-bad/lib/python3.8/site-packages/IPython/core/ultratb.py", line 1152, in format_exception_as_a_whole

frames = self.format_records(records, last_unique, recursion_repeat)


 "/Users/walter/pyvenvs/ipython-bad/lib/python3.8/site-packages/IPython/core/ultratb.py", line 891, in format_records

if r[0].f_locals.get("__tracebackhide__", 0):
AttributeError: 'list' object has no attribute 'get'
