Hi. I have the same Problem. But the error is still not gone after following your steps. I deleted the two folders, uninstalled the plugin and installed it again. Already about 3 times. I still get the following error message:
Sorry, something went wrong:
Traceback (most recent call last):
File "class/panelPlugin.py", line 1567, in a
plugin_main = import(get.name+'_main');
File "/usr/lib64/python2.7/site-packages/gevent/builtins.py", line 96, in import
result = _import(args, **kwargs)
File "plugin/docker/docker_main.py", line 19, in
import docker, public, json
File "/usr/lib64/python2.7/site-packages/gevent/builtins.py", line 96, in import
result = _import(args, **kwargs)
ImportError: No module named docker