Update

app.py

@@ -48,10 +48,13 @@ def get_attributes(json):
 
 def compare_face(frame1, frame2):
     url = "https://recognito.p.rapidapi.com/api/face"
-    files = {'image1': open(frame1, 'rb'), 'image2': open(frame2, 'rb')}
-    headers = {"X-RapidAPI-Key": os.environ.get("API_KEY")}
+    try:
+        files = {'image1': open(frame1, 'rb'), 'image2': open(frame2, 'rb')}
+        headers = {"X-RapidAPI-Key": os.environ.get("API_KEY")}
 
-    r = requests.post(url=url, files=files, headers=headers)
+        r = requests.post(url=url, files=files, headers=headers)
+    except:
+        raise gr.Error("Please select images files!")
     faces = None
 
     try: