Add poetry-core to setup.py

RobertRosca · RobertRosca · commit d4db6b0e1ac2 · 2020-10-16T13:09:32.000+02:00
diff --git a/setup.py b/setup.py
@@ -55,6 +55,7 @@ def get_identifier(json):
         "ruamel.yaml>=0.15",
         "toml",
         "semver",
+        "poetry-core",
     ],
     python_requires=">=3.6",
     author="Project Jupyter Contributors",
