Update app.py

app.py

@@ -329,13 +329,12 @@ def process_summary_with_openai(summary):
 
 def process_and_query(input_language=None,audio_input=None,image_input=None,text_input=None):
        
-    try:
+    try:        
         # Initialize the combined text
         combined_text = ""
 
         # Process text input
         if text_input is not None:
-            # Augment the prompt before feeding it to Vectara
             combined_text = "the user asks the following to his health adviser: " + text_input
 
         # Process audio input
@@ -343,6 +342,10 @@ def process_and_query(input_language=None,audio_input=None,image_input=None,text
             audio_text = process_speech(input_language, audio_input)
             combined_text += "\n" + audio_text
 
+        # Check if only an image is provided without text
+        if image_input is not None and not combined_text.strip():
+            return "Error: Please provide text input along with the image.", "No hallucination evaluation"
+
         # Process image input
         if image_input is not None:
             # Use the current combined text (which includes the processed text input) for image processing