raise jupyter_server pin to include 2.x (#302)

* raise jupyter_server pin to include 2.0

* Pin openapi_core

Co-authored-by: Frédéric Collonval <[email protected]>

Author: Zsailer

pyproject.toml

@@ -28,7 +28,7 @@ dependencies = [
   "jinja2>=3.0.3",
   "json5",
   "jsonschema>=3.0.1",
-  "jupyter_server>=1.8,<2",
+  "jupyter_server>=1.8,<3",
   "packaging",
   "requests",
 ]
@@ -57,7 +57,8 @@ test = [
   "codecov",
   "ipykernel",
   "jupyter_server[test]",
-  "openapi_core>=0.14.2",
+  # openapi_core 0.15.0 alpha is not working
+  "openapi_core~=0.14.2",
   "openapi-spec-validator<0.5",
   "pytest>=5.3.2",
   "pytest-console-scripts",