Update app.py

app.py

@@ -81,7 +81,7 @@ with tabs[0]:
         st.write("Upload an image or video to scan for fire or smoke.")
         source_file = st.file_uploader("", type=["jpg", "jpeg", "png", "mp4"], label_visibility="collapsed")
         confidence = st.slider("Detection Threshold", 0.25, 1.0, 0.4, key="upload_conf")
-        sampling_options = {"Every Frame": 0, "1 FPS": 1, "2 FPS": 2, "5 FPS": 5}
+        sampling_options = {"Every Frame": 0, "1/4 FPS": .25, "2 FPS": 2, "5 FPS": 5}
         sampling_rate = st.selectbox("Analysis Rate", list(sampling_options.keys()), index=1, key="sampling_rate")
     
     with col2: