Update api.py

api.py

@@ -20,10 +20,11 @@ def index():
 @app.route('/data', methods=['POST'])
 def get_time():
     
-    file = request.files['file']
-    file.save(secure_filename(file.filename))
-    #except:
-    #   return["Sorry something went wrong. Perhaps you did not select your image. Please try again."]   
+    try:   # If your backend has any problem and you are not getting any error in logs, then remove this try except to see error.
+        file = request.files['file']
+        file.save(secure_filename(file.filename))
+    except:
+       return["Sorry something went wrong. Perhaps you did not select your image. Please try again."]   
     rois = request.form['rois'].split(',')
     div = request.form['divisionWH'].split(',')