Update poetry and fix type error

.github/workflows/lint.yaml

@@ -15,11 +15,11 @@ jobs:
       - name: Install and configure Poetry
         uses: snok/install-poetry@v1
         with:
-          version: 1.1.8
+          version: 1.8.2
           virtualenvs-create: true
       - name: Install dependencies
         run: |
-          poetry install --no-root --no-interaction
+          poetry install --only dev --no-root --no-interaction
       - name: Lint with flake8
         run: |
           # stop the build if there are Python syntax errors or undefined names

.github/workflows/publish.yaml

@@ -17,7 +17,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install poetry==1.1.8
+          pip install poetry==1.8.2
       - name: Build and Publish
         run: |
           poetry config pypi-token.pypi "$PYPI_TOKEN"

.github/workflows/type-check.yaml

@@ -15,9 +15,9 @@ jobs:
       - name: "Install Dependencies"
         run: |
           python -m pip install --upgrade pip
-          pip install poetry
+          pip install poetry==1.8.2
           poetry config virtualenvs.create false
-          poetry install --no-interaction --no-dev
+          poetry install --no-interaction --only main
       - name: "Set up Node.js"
         uses: actions/setup-node@v4
         with:

pyproject.toml

@@ -35,7 +35,7 @@ python = ">=3.8,<4.0"
 d2b = "^1.1.4"
 nibabel = "^3.2.1"
 
-[tool.poetry.dev-dependencies]
+[tool.poetry.group.dev.dependencies]
 black = "^24.4.2"
 flake8 = "^3.9.2"
 pylint = "^2.10.2"

src/d2b_asl.py

@@ -128,7 +128,7 @@ def json_file(self) -> Path:
 
     def validate(self, asl_file: str | Path):
         img: nib.Nifti1Image = nib.load(asl_file)
-        nvols, nlabels = img.header["dim"][4], len(self.labels)
+        nvols, nlabels = img.header["dim"][4], len(self.labels)  # type: ignore
         if nvols != nlabels:
             raise AslContextConfigurationError(asl_file, nvols, nlabels)
         for label in self.labels: