build: treat warnings as errors (googleapis#415)

parthea · web-flow · commit 318452091497 · 2023-12-01T15:10:33.000-05:00
diff --git a/pytest.ini b/pytest.ini
@@ -0,0 +1,6 @@
+[pytest]
+filterwarnings =
+    # treat all warnings as errors
+    error
+    # Remove once https://github.com/protocolbuffers/protobuf/issues/12186 is fixed
+    ignore:.*custom tp_new.*in Python 3.14:DeprecationWarning
