Adding support for Python 3.10 (#247)

* Adding support for Python 3.10

* make batman tests optional

* cleanup

.github/workflows/tests.yml

@@ -17,11 +17,11 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.9"]
-        pymc-version: ["3.9", "3.10", "3.11", "dev"]
+        python-version: ["3.9", "3.10"]
+        pymc-version: ["3.11", "dev"]
         include:
-          - python-version: "3.8"
-            pymc-version: "3.11"
+          - python-version: "3.10"
+            pymc-version: "beta"
 
     steps:
       - name: Checkout

setup.py

@@ -36,7 +36,6 @@
         "pytest",
         "coverage[toml]",
         "pytest-env",
-        "batman-package",
     ],
     "docs": [
         "sphinx-book-theme",

tests/light_curves_test.py

@@ -170,6 +170,7 @@ def test_contact_bug():
 
 
 def test_small_star():
+    pytest.importorskip("batman.transitmodel")
     from batman.transitmodel import TransitModel, TransitParams
 
     u_star = [0.2, 0.1]

tests/orbits/keplerian_test.py

@@ -15,15 +15,9 @@
 )
 from exoplanet.units import with_unit
 
-try:
-    import batman
-except ImportError:
-    batman = None
 
-
-@pytest.mark.skipif(batman is None, reason="batman is not installed")
 def test_sky_coords():
-    from batman import _rsky
+    _rsky = pytest.importorskip("batman._rsky")
 
     t = np.linspace(-100, 100, 1000)
 
@@ -319,9 +313,8 @@ def test_in_transit_circ():
     assert np.all(inds == inds_circ)
 
 
-@pytest.mark.skipif(batman is None, reason="batman is not installed")
 def test_small_star():
-    from batman import _rsky
+    _rsky = pytest.importorskip("batman._rsky")
 
     m_star = 0.151
     r_star = 0.189

tox.ini

@@ -1,26 +1,23 @@
 [tox]
-envlist = py{38,39}-pymc{39,310,311,dev},lint,docs
+envlist = py{38,39,310}-pymc{311,dev},lint,docs
 
 [gh-actions]
 python =
     3.8: py38
     3.9: py39
+    3.10: py310
 
 [gh-actions:env]
 PYMC_VERSION =
-    3.9: pymc39
-    3.10: pymc310
     3.11: pymc311
     dev: pymcdev
 
 [testenv]
 passenv = GITHUB_*
 deps =
-    pymc{39,310}: arviz<0.11
-    pymc39: pymc3~=3.9.0
-    pymc310: pymc3~=3.10.0
+    numpy<1.22
     pymc311: pymc3~=3.11.0
-    pymcdev: https://github.com/pymc-devs/pymc3/archive/v3.zip
+    pymcdev: https://github.com/pymc-devs/pymc/archive/v3.zip
 extras = test
 commands =
     pip freeze