Add twine check and add README_PYTHON.rst to doc8 linting

.github/workflows/build-and-test.yml

@@ -46,8 +46,8 @@ jobs:
           # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
           python -m flake8 src --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
 
-  check-history-rst-syntax:
-    name: Check HISTORY RST syntax
+  check-rst-syntax:
+    name: Check RST syntax
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
@@ -63,7 +63,7 @@ jobs:
       - name: Lint with doc8
         run: |
             # Skip line-too-long errors (D001)
-            python -m doc8 --ignore D001 HISTORY.rst
+            python -m doc8 --ignore D001 HISTORY.rst README_PYTHON.rst
 
   run-model-tests:
     name: Run model tests
@@ -193,6 +193,12 @@ jobs:
           # natcap.invest from source and that it imports.
           python -c "from natcap.invest import *"
 
+      - name: Set up environment
+        run: pip install twine
+
+      - name: Check long description with twine
+        run: twine check $(find dist -name "natcap[._-]invest*")
+
       - uses: actions/upload-artifact@v3
         with:
           name: Source distribution