updated url patch

app.py

@@ -26,8 +26,8 @@ ocr_engine = st.selectbox("Select OCR Engine", ["easyocr", "doctr"], index=0,
 uploaded_file = st.file_uploader("Upload a flowchart image", type=["png", "jpg", "jpeg"])
 
 # Backend API URL (defaults to localhost for dev)
-API_URL = os.getenv("API_URL", "http://localhost:7860/process-image")
-
+#API_URL = os.getenv("API_URL", "http://localhost:7860/process-image")
+API_URL = os.getenv("API_URL", "/process-image")
 if uploaded_file:
     # Load and resize uploaded image for preview
     image = Image.open(uploaded_file).convert("RGB")