Update app.py

app.py

@@ -5,11 +5,19 @@ import tempfile
 st.title("UV Sterilization Verifier")
 
 img = st.file_uploader("Upload Post-Sterilization Image", type=["jpg", "png"])
-if img:
+
+if img is not None:
+    # Save uploaded file temporarily
     with tempfile.NamedTemporaryFile(delete=False, suffix=".jpg") as f:
         f.write(img.read())
-        f.flush()
-        coverage, preview = analyze_uv_exposure(f.name)
+        temp_file_path = f.name
+
+    # Analyze the image
+    coverage, preview_path = analyze_uv_exposure(temp_file_path)
 
-    st.image(preview, caption=f"Coverage: {coverage}%")
-    st.success("Compliant") if coverage >= 95 else st.error("Fail - Insufficient Exposure")
+    # Display results
+    st.image(preview_path, caption=f"Coverage: {coverage}%")
+    if coverage >= 95:
+        st.success("Compliant")
+    else:
+        st.error("Fail - Insufficient Exposure")