move tests over to Python3.7

.github/workflows/pytest.yml

@@ -70,12 +70,12 @@ jobs:
       - name: Cache conda
         uses: actions/cache@v1
         env:
-          # Increase this value to reset cache if environment-dev-py36.yml has not changed
+          # Increase this value to reset cache if environment-dev-py37.yml has not changed
           CACHE_NUMBER: 0
         with:
           path: ~/conda_pkgs_dir
           key: ${{ runner.os }}-conda-${{ env.CACHE_NUMBER }}-${{
-            hashFiles('conda-envs/environment-dev-py36.yml') }}
+            hashFiles('conda-envs/environment-dev-py37.yml') }}
       - name: Cache multiple paths
         uses: actions/cache@v2
         env:
@@ -90,18 +90,18 @@ jobs:
             hashFiles('requirements.txt') }}
       - uses: conda-incubator/setup-miniconda@v2
         with:
-          activate-environment: pymc3-dev-py36
+          activate-environment: pymc3-dev-py37
           channel-priority: strict
-          environment-file: conda-envs/environment-dev-py36.yml
+          environment-file: conda-envs/environment-dev-py37.yml
           use-only-tar-bz2: true # IMPORTANT: This needs to be set for caching to work properly!
       - name: Install-pymc3
         run: |
-          conda activate pymc3-dev-py36
+          conda activate pymc3-dev-py37
           pip install -e .
           python --version
       - name: Run tests
         run: |
-          conda activate pymc3-dev-py36
+          conda activate pymc3-dev-py37
           python -m pytest -vv --cov=pymc3 --cov-report=xml --cov-report term --durations=50 $TEST_SUBSET
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@v1

.pre-commit-config.yaml

@@ -22,6 +22,7 @@ repos:
       additional_dependencies: [isort==5.6.4]
     - id: nbqa-pyupgrade
       additional_dependencies: [pyupgrade==2.7.4]
+      args: [--py37-plus]
 - repo: https://github.com/PyCQA/isort
   rev: 5.6.4
   hooks:
@@ -31,7 +32,7 @@ repos:
   rev: v2.7.4
   hooks:
     - id: pyupgrade
-      args: [--py36-plus]
+      args: [--py37-plus]
 - repo: https://github.com/psf/black
   rev: 20.8b1
   hooks:

pymc3/sampling.py

@@ -445,12 +445,12 @@ def sample(
         random_seed = None
     if chains == 1 and isinstance(random_seed, int):
         random_seed = [random_seed]
+    if random_seed is not None and not isinstance(random_seed, (int, abc.Iterable)):
+        raise TypeError("Invalid value for `random_seed`. Must be tuple, list or int")
     if random_seed is None or isinstance(random_seed, int):
         if random_seed is not None:
             np.random.seed(random_seed)
         random_seed = [np.random.randint(2 ** 30) for _ in range(chains)]
-    if not isinstance(random_seed, abc.Iterable):
-        raise TypeError("Invalid value for `random_seed`. Must be tuple, list or int")
 
     if not discard_tuned_samples and not return_inferencedata:
         warnings.warn(

pyproject.toml

@@ -12,6 +12,3 @@ exclude_lines = [
 isort = 1
 black = 1
 pyupgrade = 1
-
-[tool.nbqa.addopts]
-pyupgrade = ["--py36-plus"]