feat: fixed server to work with pydantic v2

open/text/embeddings/server/app.py

@@ -37,16 +37,19 @@ def create_app():
 
 class CreateEmbeddingRequest(BaseModel):
     model: Optional[str] = Field(
-        description="The model to use for generating embeddings.")
+        description="The model to use for generating embeddings.", default=None)
     input: Union[str, List[str]] = Field(description="The input to embed.")
-    user: Optional[str]
-
-    class Config:
-        json_schema_extra = {
-            "example": {
-                "input": "The food was delicious and the waiter...",
-            }
+    user: Optional[str] = Field(default=None)
+
+    model_config = {
+        "json_schema_extra": {
+            "examples": [
+                {
+                    "input": "The food was delicious and the waiter...",
+                }
+            ]
         }
+    }
 
 
 class Embedding(BaseModel):