new: Add mypy type checker

Author: hh-space-invader

.github/workflows/type-checkers.yml

@@ -0,0 +1,36 @@
+name: type-checkers
+
+on: [push]
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: true
+      matrix:
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        os: [ubuntu-latest]
+
+    name: Python ${{ matrix.python-version }} test
+
+    steps:
+      - uses: actions/checkout@v1
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip poetry
+          poetry install
+          poetry run pip install "numpy<2.0.0"  # https://github.com/python/mypy/issues/17396
+
+      - name: mypy
+        run: |
+            poetry run mypy fastembed --disallow-incomplete-defs --disallow-untyped-defs --ignore-missing-imports --disable-error-code=import-untyped --disable-error-code=attr-defined --exclude=tokenizer
+
+      - name: pyright
+        run: |
+          poetry run pyright tests/type_stub.py