Fix ImportError: cannot import name 'model_validator' from 'pydantic'

.gitattributes

@@ -0,0 +1,12 @@
+# Set default behavior to automatically normalize line endings.
+* text=auto
+
+# Explicitly declare text files you want to always be normalized and converted to native line endings on checkout.
+*.py text eol=lf
+
+# Declare files that will always have CRLF line endings on checkout.
+*.bat text eol=crlf
+
+# Declare files that should never be normalized.
+*.jpg -text
+*.png -text