Update app.py

app.py

@@ -21,15 +21,19 @@ def compute_similarity(input1, input2, type1, type2):
     if type1 == "Image":
         image1 = Image.open(input1).convert("RGB")
         input1_tensor = processor(images=image1, return_tensors="pt")["pixel_values"]
-    else:
+    elif isinstance(input1, str) and input1.strip():
         input1_tensor = tokenizer(input1, return_tensors="pt")["input_ids"]
+    else:
+        return "Error: Invalid text input for Input 1"
     
     # Process input2
     if type2 == "Image":
         image2 = Image.open(input2).convert("RGB")
         input2_tensor = processor(images=image2, return_tensors="pt")["pixel_values"]
-    else:
+    elif isinstance(input2, str) and input2.strip():
         input2_tensor = tokenizer(input2, return_tensors="pt")["input_ids"]
+    else:
+        return "Error: Invalid text input for Input 2"
     
     # Compute embeddings
     with torch.no_grad():