[ENH] Adding integration test with causal learn (py-why#54)

* Adding integration test with causal learn for FCI and PC algorithm
* Fix CI

Signed-off-by: Adam Li <adam2392@gmail.com>

.github/workflows/main.yml

@@ -124,7 +124,7 @@ jobs:
         python-version: [3.8, "3.10"]  # oldest and newest supported versions
         poetry-version: [1.3.0]
         networkx: [stable, main]
-    name: pytest ${{ matrix.os }} - py${{ matrix.python-version }} - Networkx ${{ matrix.networkx }}
+    name: Unit-test ${{ matrix.os }} - py${{ matrix.python-version }} - Networkx ${{ matrix.networkx }}
     runs-on: ${{ matrix.os }}-latest
     defaults:
       run:
@@ -159,6 +159,40 @@ jobs:
           fail_ci_if_error: true
           verbose: true
 
+  integration_test:
+    timeout-minutes: 30
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu]
+        python-version: ["3.10"]  # oldest and newest supported versions
+        poetry-version: [1.3.0]
+        networkx: [main]
+    name: Integration test ${{ matrix.os }} - py${{ matrix.python-version }} - Networkx ${{ matrix.networkx }}
+    runs-on: ${{ matrix.os }}-latest
+    defaults:
+      run:
+        shell: bash
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+      - name: Setup Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+          architecture: 'x64'
+      - name: Install Poetry ${{ matrix.poetry-version }}
+        uses: abatilo/actions-poetry@v2.2.0
+        with:
+          poetry-version: ${{ matrix.poetry-version }}
+      - name: Install Poetry Dynamic Versioning Plugin
+        run: pip install poetry-dynamic-versioning
+      - name: Install packages via poetry
+        run: |
+          poetry install --with test,docs --extras graph_func
+      - name: Run pytest  # headless via Xvfb on linux
+        run: poetry run poe integration_test
+
   # release is ran when a release is made on Github
   release:
     name: Release

dodiscover/metrics.py

@@ -6,8 +6,9 @@
 from sklearn.metrics import confusion_matrix
 from sklearn.preprocessing import LabelBinarizer
 
+from dodiscover.typing import NetworkxGraph
+
 from ._protocol import Graph
-from .typing import NetworkxGraph
 
 
 def confusion_matrix_networks(