Update chat.go

Author: wclssdn

chat.go

@@ -311,8 +311,8 @@ type ChatCompletionRequest struct {
 	ServiceTier ServiceTier `json:"service_tier,omitempty"`
 	// Support Google VertexAI Gemini-specific parameters
 	// https://cloud.google.com/vertex-ai/generative-ai/docs/migrate/openai/overview#extra_body_features
-	ExtraBody   map[string]any `json:"extra_body,omitempty"`
-	ExtraPart   map[string]any `json:"extra_part,omitempty"`
+	ExtraBody map[string]any `json:"extra_body,omitempty"`
+	ExtraPart map[string]any `json:"extra_part,omitempty"`
 }
 
 type StreamOptions struct {