Traceback (most recent call last):


 "./demo.py", line 6, in <module>

result = pb_ag("mystring123")


 "/home/nkabir/.local/opt/xcatalyst/venvs/bench-python-bench/lib/python3.6/site-packages/plumbum/commands/base.py", line 103, in __call__

return self.run(args, **kwargs)[1]


 "/home/nkabir/.local/opt/xcatalyst/venvs/bench-python-bench/lib/python3.6/site-packages/plumbum/commands/base.py", line 240, in run

return p.run()


 "/home/nkabir/.local/opt/xcatalyst/venvs/bench-python-bench/lib/python3.6/site-packages/plumbum/commands/base.py", line 201, in runner

return run_proc(p, retcode, timeout)


 "/home/nkabir/.local/opt/xcatalyst/venvs/bench-python-bench/lib/python3.6/site-packages/plumbum/commands/processes.py", line 232, in run_proc

return _check_process(proc, retcode, timeout, stdout, stderr)


 "/home/nkabir/.local/opt/xcatalyst/venvs/bench-python-bench/lib/python3.6/site-packages/plumbum/commands/processes.py", line 23, in _check_process

proc.verify(retcode, timeout, stdout, stderr)


 "/home/nkabir/.local/opt/xcatalyst/venvs/bench-python-bench/lib/python3.6/site-packages/plumbum/machines/base.py", line 26, in verify

stderr)
plumbum.commands.processes.ProcessExecutionError: Command line: ['/usr/bin/ag', 'mystring123']

Traceback (most recent call last):

 "./backend_driver.py", line 25, in <module>
import matplotlib.rcsetup as rcsetup

 "/Library/Frameworks/Python.framework/Versions/3.3/lib/python3.3/site-packages/matplotlib/**init**.py", line 151, in <module>
from matplotlib.rcsetup import (defaultParams,

 "/Library/Frameworks/Python.framework/Versions/3.3/lib/python3.3/site-packages/matplotlib/rcsetup.py", line 20, in <module>
from matplotlib.colors import is_color_like

 "/Library/Frameworks/Python.framework/Versions/3.3/lib/python3.3/site-packages/matplotlib/colors.py", line 205, in <module>
for k, v in cnames.items():RuntimeError: dictionary changed size during iteration