Update app.py

app.py

@@ -104,7 +104,7 @@ def main():
         img = cv2.imread(temp_file_path)
         r = seg_model.predict(source=temp_file_path)
         
-        if len(r) == 0 || len(r) > 1:
+        if len(r) == 0 or len(r) > 1:
             if len(r) == 0:
                 st.write("NO BOARD IN THE IMAGE")
             elif len(r) > 1: