run pypi release action on tag create w version (#2047)

.github/workflows/pypi.yml

@@ -1,12 +1,29 @@
 name: publish pypi
 
 on:
-  push:
+  create:
     tags:
-      - '*'
+      - 'v*'
   workflow_dispatch:
 
 jobs:
+  setup_release:
+    name: Create Release
+    runs-on: ubuntu-latest
+    steps:
+      - name: Get the tag version
+        id: extract_branch
+        run: echo ::set-output name=branch::${GITHUB_REF#refs/tags/}
+        shell: bash
+
+      - name: Create Release
+        id: create_release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ steps.extract_branch.outputs.branch }}
+          release_name: ${{ steps.extract_branch.outputs.branch }}
   pypi-publish:
     name: Upload release to PyPI
     runs-on: ubuntu-latest