Restore all python versions and prettify

Author: paddyroddy

.github/workflows/wheels.yml

@@ -32,16 +32,33 @@ jobs:
         # Launch separate job for each python. The build is so much longer than
         # machine configuration/setup, so parallel builds will be faster. More
         # importantly, github times out after 6 hours _per job_.
-        cpversion: ["cp312"]
-        os: [ { runs-on: ubuntu-latest, cibw-arch: manylinux_x86_64}, { runs-on: macos-latest, cibw-arch: macosx_x86_64}, { runs-on: macos-latest, cibw-arch: macosx_arm64}, { runs-on: windows-latest, cibw-arch: win_amd64} ]
+        cpversion:
+          - cp36
+          - cp37
+          - cp38
+          - cp39
+          - cp310
+          - cp311
+          - cp312
+        os:
+          - runs-on: ubuntu-latest
+            cibw-arch: manylinux_x86_64
+          - runs-on: macos-latest
+            cibw-arch: macosx_x86_64
+          - runs-on: macos-latest
+            cibw-arch: macosx_arm64
+          - runs-on: windows-latest
+            cibw-arch: win_amd64
         exclude:
-          - os: { runs-on: macos-latest, cibw-arch: macosx_arm64}
+          - os:
+              - runs-on: macos-latest
+                cibw-arch: macosx_arm64
             cpversion: "cp36"
-          - os: { runs-on: macos-latest, cibw-arch: macosx_arm64}
+          - os:
+              - runs-on: macos-latest
+                cibw-arch: macosx_arm64
             cpversion: "cp37"
 
-
-
     name: Build wheels ${{ matrix.cpversion }}-${{ matrix.os.cibw-arch }}
     runs-on: ${{ matrix.os.runs-on }}