standard-tests: rename langchain_standard_tests to langchain_tests, release 0.3.2 (#28203)

libs/standard-tests/langchain_tests/utils/pydantic.py

@@ -0,0 +1,14 @@
+"""Utilities for working with pydantic models."""
+
+
+def get_pydantic_major_version() -> int:
+    """Get the major version of Pydantic."""
+    try:
+        import pydantic
+
+        return int(pydantic.__version__.split(".")[0])
+    except ImportError:
+        return 0
+
+
+PYDANTIC_MAJOR_VERSION = get_pydantic_major_version()