Update index.html

index.html

@@ -19,7 +19,9 @@ pipeline = transformers.pipeline
 pipe = await pipeline('zero-shot-image-classification')
 
 async def classify(image, classes):
-    classes = [c for c in classes.split(",") if c]
+    if not image:
+        return {}
+    classes = [x for c in classes.split(",") if (x := c.strip())]
     if not classes:
         return {}
     data = await pipe(as_url(image), classes)