Distance metric change and PGVectorScale support (#1703)

mem0/vector_stores/configs.py

@@ -39,7 +39,8 @@ class VectorStoreConfig(BaseModel):
                 raise ValueError(f"Invalid config type for provider {provider}")
             return self
 
-        if "path" not in config:
+        # also check if path in allowed kays for pydantic model, and whether config extra fields are allowed
+        if "path" not in config and "path" in config_class.__annotations__:
             config["path"] = f"/tmp/{provider}"
 
         self.config = config_class(**config)