Traceback (most recent call last):


 "examples/applications/svm_gui.py", line 27, in <module>

from matplotlib.backends.backend_tkagg import NavigationToolbar2TkAgg
ImportError: cannot import name 'NavigationToolbar2TkAgg' from 'matplotlib.backends.backend_tkagg' (/home/cmarmo/skldevenv/lib64/python3.7/site-packages/matplotlib/backends/backend_tkagg.py)

Traceback (most recent call last):


 "c:\users\williamchen\anaconda3\Lib\runpy.py", line 193, in _run_module_as_main

"__main__", mod_spec)


 "c:\users\williamchen\anaconda3\Lib\runpy.py", line 85, in _run_code

exec(code, run_globals)


 "C:\Users\williamchen\Envs\mxonline\Scripts\apistar.exe\__main__.py", line 5, in <module>
ImportError: cannot import name 'main'