Added correct version of pyrsistent to pyproject.toml for 2.7.18 compatibility.

RidleyLarsen · RidleyLarsen · commit bb1b27719761 · 2020-09-23T17:46:30.000-06:00
diff --git a/pyproject.toml b/pyproject.toml
@@ -18,6 +18,7 @@ pytest = "4.6.6"
 jsonschema = "3.2.0"
 pytest-runner = "5.2"
 flake8 = "^3.7.9"
+pyrsistent = "0.14.11"
 
 [build-system]
 requires = ["poetry>=0.12"]
