Fix mypy

Author: davidbrochart

.travis.yml

@@ -10,6 +10,8 @@ matrix:
       env: TOXENV=py38
     - python: 3.8
       env: TOXENV=flake8
+    - python: 3.8
+      env: TOXENV=mypy
     - python: 3.8
       env: TOXENV=dist
     - python: 3.8

tox.ini

@@ -18,7 +18,7 @@ commands = flake8 nbclient --count --ignore=E203,E731,F811,W503 --max-complexity
 [testenv:mypy]
 skip_install = true
 deps = mypy
-commands = mypy nbclient/nbclient.py
+commands = mypy nbclient/client.py
 
 # Manifest
 [testenv:manifest]