Traceback (most recent call last):


 "core/app.py", line 93, in <module>

app.run(debug=True)
# important to mention debug=True


 "/usr/local/lib/python3.7/dist-packages/flask/app.py", line 943, in run

run_simple(host, port, self, **options)


 "/usr/local/lib/python3.7/dist-packages/werkzeug/serving.py", line 988, in run_simple

run_with_reloader(inner, extra_files, reloader_interval, reloader_type)


 "/usr/local/lib/python3.7/dist-packages/werkzeug/_reloader.py", line 322, in run_with_reloader

reloader = reloader_loops[reloader_type](extra_files, interval)


 "/usr/local/lib/python3.7/dist-packages/werkzeug/_reloader.py", line 213, in __init__

from watchdog.observers import Observer
ImportError: cannot import name 'Observer' from 'watchdog.observers' (unknown location)

Traceback (most recent call last):

 "/usr/local/bin/salt-call", line 21, in <module>
main()

 "/usr/local/bin/salt-call", line 17, in main
client.run()

 "/usr/local/lib/python2.7/site-packages/salt/cli/__init__.py", line 737, in run
caller = salt.cli.caller.Caller(self.opts)

 "/usr/local/lib/python2.7/site-packages/salt/cli/caller.py", line 31, in __init__
self.minion = salt.minion.SMinion(opts)

 "/usr/local/lib/python2.7/site-packages/salt/minion.py", line 66, in __init__
self.gen_modules()

 "/usr/local/lib/python2.7/site-packages/salt/minion.py", line 72, in gen_modules
self.functions = salt.loader.minion_mods(self.opts)

 "/usr/local/lib/python2.7/site-packages/salt/loader.py", line 47, in minion_mods
functions = load.apply_introspection(load.gen_functions())

 "/usr/local/lib/python2.7/site-packages/salt/loader.py", line 381, in gen_functions
virtual = mod.__virtual__()

 "/usr/local/lib/python2.7/site-packages/salt/modules/kvm_hyper.py", line 49, in __virtual__
if 'kvm_' not in open('/proc/modules').read():IOError: [Errno 2] No such file or directory: '/proc/modules'