Update src/Providers/DeepInfra/tools/LangChain.Providers.DeepInfra.Co…

…deGenerator/Main/DeepInfraCodeGenerator.cs

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

src/Providers/DeepInfra/tools/LangChain.Providers.DeepInfra.CodeGenerator/Main/DeepInfraCodeGenerator.cs

@@ -67,7 +67,7 @@ private static async Task<List<ModelInfo>> GetModelsAsync(GenerationOptions opti
             var links = lbb.FindNode("script", "type", "json", true);
 
             if (links == null)
-                throw new Exception("Model Info script node not found.");
+                throw new InvalidOperationException("Model Info script node not found in the HTML document.");
 
             var json = JObject.Parse(links.InnerText);