Merge pull request #40 from saiyam1814/patch-1

Update client.go with a meaningful message to set openAPI key

pkg/openai/client.go

@@ -72,6 +72,10 @@ func complete(opts ...Options) (result Options, err error) {
 		result.APIKey = key
 	}
 
+	if result.APIKey == "" {
+		return result, fmt.Errorf("OPENAI_API_KEY is not set. Please set the OPENAI_API_KEY environment variable")
+	}
+
 	return result, err
 }