support py>=3.9; enable github CI

.github/workflows/test.yaml

@@ -0,0 +1,27 @@
+name: CI
+on:  [workflow_dispatch, pull_request, push]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.7", "3.8", "3.9", "3.10"]
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install pytest
+          pip install -e .
+
+      - name: Test with pytest
+        run: |
+          pytest
+

VERSION

@@ -1 +1 @@
-0.0.4
+0.0.5

causalgraphicalmodels/cgm.py

@@ -1,7 +1,12 @@
 import networkx as nx
 import graphviz
 from itertools import combinations, chain
-from collections import Iterable
+import sys
+
+if sys.version_info.major == 3 and sys.version_info.minor >= 9:
+    from collections.abc import Iterable
+else:
+    from collections import Iterable
 
 
 class CausalGraphicalModel:

setup.py

@@ -27,7 +27,7 @@
         "Intended Audience :: Science/Research",
         "Topic :: Scientific/Engineering",
         "License :: OSI Approved :: MIT License",
-        "Programming Language :: Python :: 3.5",
+        "Programming Language :: Python :: 3.5 3.6 3.7 3.8 3.9 3.10",
     ],
     keywords="causal inference causal graphical models causality",
     packages=find_packages(exclude=["notebook", "test"]),