Specify py 3.7.17

Author: jg-rp

.github/workflows/tests.yaml

@@ -9,12 +9,12 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.7.17", "3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
         exclude:
           - os: macos-latest
-            python-version: "3.7"
+            python-version: "3.7.17"
           - os: windows-latest
-            python-version: "3.7"
+            python-version: "3.7.17"
           - os: macos-latest
             python-version: "3.8"
           - os: windows-latest