move pyright outside tests to fail faster.

.github/workflows/tests.yml

@@ -20,14 +20,26 @@ jobs:
       with:
         extra_args: --all-files
 
+  pyright:
+    name: type checking
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-python@v5
+      with:
+        python-version: '3.9'
+    # NOTE: We pin the version of pyright to match pyproject.toml.
+    - run: pip install pyright==1.1.305
+    - run: pyright sbi
+
   test:
-    name: Tests
+    name: tests
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.10"]
-        torch-version: ["1.11", "2.0"]
+        python-version: ["3.9"]
+        torch-version: ["1.11, 2.0"]
 
     steps:
     - uses: actions/checkout@v4
@@ -41,11 +53,7 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         pip install torch==${{ matrix.torch-version }} --extra-index-url https://download.pytorch.org/whl/cpu
-        pip install -e .[dev]
-
-    - name: Check types with pyright
-      run: |
-        pyright sbi
+        pip install .
 
     - name: Test with pytest
       run: |