MAINT: updates for numpy2

.github/workflows/tests.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: ["3.7", "3.8", "3.9", "3.10"]
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
         os: ["ubuntu-latest"]
         include:
           - python-version: "3.9"
@@ -49,6 +49,29 @@ jobs:
           COVERALLS_PARALLEL: true
           COVERALLS_FLAG_NAME: ${{ matrix.python-version }}-${{ matrix.os }}
 
+  leading_edge:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        python-version: ["3.12"]
+        os: ["ubuntu-latest"]
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Setup Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install dependencies
+        run: |
+          python -m pip install -U pip
+          python -m pip install pip install "numpy>=2.0.0rc1"
+      - name: Run tests
+        run: pytest
+
   coverage:
     needs: tests
     runs-on: ubuntu-latest

src/emcee/ensemble.py

@@ -502,7 +502,7 @@ def compute_log_prob(self, coords):
                 try:
                     with warnings.catch_warnings(record=True):
                         warnings.simplefilter(
-                            "error", np.VisibleDeprecationWarning
+                            "error", np.exceptions.VisibleDeprecationWarning
                         )
                         try:
                             dt = np.atleast_1d(blob[0]).dtype

tox.ini

@@ -1,12 +1,12 @@
 [tox]
-envlist = py{37,38,39,310}{,-extras},lint
+envlist = py{39,310,311,312}{,-extras},lint
 
 [gh-actions]
 python =
-    3.7: py37
-    3.8: py38
-    3.9: py39-extras
+    3.9: py39
     3.10: py310
+    3.11: py311-extras
+    3.12: py312
 
 [testenv]
 deps = coverage[toml]