CI: add twine check

To avoid having to try to release each time.

Author: julianoes

.github/workflows/main.yml

@@ -47,6 +47,11 @@ jobs:
         run: |
           ls -lh "wheelhouse/"
 
+      - name: Validate wheel metadata
+        run: |
+          export PATH=$PATH:$HOME/.local/bin
+          twine check wheelhouse/*.whl
+
       - name: Create docs
         run: |
           export PATH=$PATH:$HOME/.local/bin
@@ -112,6 +117,11 @@ jobs:
         run: |
           ls -lh "dist/"
 
+      - name: Validate wheel metadata
+        run: |
+          export PATH=$PATH:$HOME/.local/bin
+          twine check dist/*.whl
+
       - name: Upload to PyPi
         env:
           TWINE_USERNAME: ${{ secrets.TWINE_USERNAME }}
@@ -163,6 +173,11 @@ jobs:
         run: |
           ls -lh "wheelhouse/"
 
+      - name: Validate wheel metadata
+        run: |
+          export PATH=$PATH:$HOME/.local/bin
+          twine check wheelhouse/*.whl
+
       - name: Upload to PyPi
         env:
           TWINE_USERNAME: ${{ secrets.TWINE_USERNAME }}
@@ -218,6 +233,10 @@ jobs:
         run: |
           ls "dist/"
 
+      - name: Validate wheel metadata
+        run: |
+          twine check dist/*.whl
+
       - name: Upload to PyPi
         env:
           TWINE_USERNAME: ${{ secrets.TWINE_USERNAME }}