Traceback (most recent call last):
  File "/opt/snap/dev/conda/envs/py35/lib/python3.5/site-packages/werkzeug/routing.py", line 1538, in match
    rv = rule.match(path, method)
  File "/opt/snap/dev/conda/envs/py35/lib/python3.5/site-packages/werkzeug/routing.py", line 776, in match
    raise RequestSlash()
werkzeug.routing.RequestSlash

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/opt/snap/dev/conda/envs/py35/lib/python3.5/site-packages/flask/app.py", line 1813, in full_dispatch_request
    rv = self.dispatch_request()
  File "/opt/snap/dev/conda/envs/py35/lib/python3.5/site-packages/flask/app.py", line 1791, in dispatch_request
    self.raise_routing_exception(req)
  File "/opt/snap/dev/conda/envs/py35/lib/python3.5/site-packages/flask/app.py", line 1774, in raise_routing_exception
    raise request.routing_exception
  File "/opt/snap/dev/conda/envs/py35/lib/python3.5/site-packages/flask/ctx.py", line 336, in match_request
    self.url_adapter.match(return_rule=True)
  File "/opt/snap/dev/conda/envs/py35/lib/python3.5/site-packages/werkzeug/routing.py", line 1542, in match
    safe='/:|+') + '/', query_args))
werkzeug.routing.RequestRedirect: 301 Moved Permanently: None