Merge pull request #153 from datafold/fix_tests_py37

Fix for the occasional failure in tests in 3.7

Author: erezsh

.github/workflows/ci.yml

@@ -18,7 +18,7 @@ jobs:
       matrix:
         os: [ubuntu-latest]
         python-version:
-          - "3.7"
+          - "3.7.1"
           - "3.8"
           - "3.9"
           - "3.10"