![python 3 install pydot-ng python 3 install pydot-ng](https://i.stack.imgur.com/C3dYy.png)
run ( options, args ) File "/usr/local/lib/python3.5/dist-packages/pip/commands/install.py", line 342, in run rename ( src, real_dst ) PermissionError : Permission denied : '/usr/lib/python3/dist-packages/_pycache_/' -> '/tmp/pip-45miiuxw-uninstall/usr/lib/python3/dist-packages/_pycache_/' During handling of the above exception, another exception occurred : Traceback ( most recent call last ): File "/usr/local/lib/python3.5/dist-packages/pip/basecommand.py", line 215, in main 3 : Exception : Traceback ( most recent call last ): File "/usr/lib/python3.5/shutil.py", line 538, in move Installing collected packages : pyparsing, pydotįound existing installation : pyparsing 2.0. 4 ( from pydot ) Using cached pyparsing - 2.2. You must install pydot and graphviz for ` pydotprint ` to work. You must install pydot' ImportError : Failed to import pydot. Raise ImportError ( 'Failed to import pydot.