build: use lighter `poetry-core`
@@ -52,5 +52,5 @@ pexpect = "^4.7"
iredis = 'iredis.entry:main'
[build-system]
-requires = ["poetry>=0.12"]
-build-backend = "poetry.masonry.api"
+requires = ["poetry-core>=1.0.0"]
+build-backend = "poetry.core.masonry.api"
