bug: fix gpt4, but now break mistral

Author: ibuildthecloud

pkg/openai/client.go

@@ -10,7 +10,6 @@ import (
 	"sort"
 	"strings"
 
-	"github.com/getkin/kin-openapi/openapi3"
 	openai "github.com/gptscript-ai/chat-completion-client"
 	"github.com/gptscript-ai/gptscript/pkg/cache"
 	"github.com/gptscript-ai/gptscript/pkg/counter"
@@ -330,20 +329,12 @@ func (c *Client) Call(ctx context.Context, messageRequest types.CompletionReques
 	}
 
 	for _, tool := range messageRequest.Tools {
-		params := tool.Function.Parameters
-		if params == nil {
-			params = &openapi3.Schema{
-				Type:       "object",
-				Properties: openapi3.Schemas{},
-			}
-		}
-
 		request.Tools = append(request.Tools, openai.Tool{
 			Type: openai.ToolTypeFunction,
 			Function: &openai.FunctionDefinition{
 				Name:        tool.Function.Name,
 				Description: tool.Function.Description,
-				Parameters:  params,
+				Parameters:  tool.Function.Parameters,
 			},
 		})
 	}