Update app.py

app.py

@@ -140,7 +140,7 @@ def call_gemini_api(input_data, language):
     """
     try:
         response = client.models.generate_content(
-            model="gemini-2.0-flash",
+            model="gemini-2.5-flash",
             contents=prompt
         )
         json_text = response.text.strip().replace("```json", "").replace("```", "")