Update app.py

app.py

@@ -14,7 +14,6 @@ def translation_to_French(api_key, text):
         return "Error: Input Text is empty", None
 
     try:
-        
         genai.configure(api_key=api_key)
         model = genai.GenerativeModel("gemini-2.5-flash")
 
@@ -27,7 +26,12 @@ def translation_to_French(api_key, text):
                 max_output_tokens=150
             )
         )
-        translated =  response_translation.candidates[0].content.strip()
+
+        # ✅ Check if candidates exist
+        if not response_translation or not response_translation.candidates:
+            return "Error: No translation returned from Gemini API.", None
+
+        translated = response_translation.candidates[0].content.strip()
 
         # Pronunciation prompt
         pronunciation_prompt = (
@@ -43,7 +47,12 @@ def translation_to_French(api_key, text):
                 max_output_tokens=150
             )
         )
+
+        if not response_pronunciation or not response_pronunciation.candidates:
+            return translated, "Error: No pronunciation returned from Gemini API."
+
         pronunciation = response_pronunciation.candidates[0].content.strip()
+
         return translated, pronunciation
 
     except Exception as e: