removed debugs, reply with 200 OK instead of redirect that is ignored anyway

main.py

@@ -1,4 +1,4 @@
-from flask import Flask, render_template, request, redirect
+from flask import Flask, render_template, request, redirect, jsonify
 from flask_sqlalchemy import SQLAlchemy
 from sqlalchemy.exc import SQLAlchemyError
 from flask_marshmallow import Marshmallow
@@ -588,9 +588,7 @@ def rem_books_from_loan(id):
         except SQLAlchemyError as e:
             st.SetAlert("danger")
             st.SetMessage("Failed to remove books from loan! -- {}".format( e.orig ))
-
-    print ("NOT SURE WHAT TO DO if we dont want output" )
-    return redirect("/loan/{}".format(id))
+    return jsonify(success=True)
 
 @app.route("/add_books_to_loan/<id>", methods=["POST"])
 def add_books_to_loan(id):
@@ -603,9 +601,7 @@ def add_books_to_loan(id):
         except SQLAlchemyError as e:
             st.SetAlert("danger")
             st.SetMessage("Failed to add books to loan! -- {}".format( e.orig ))
-
-    print ("NOT SURE WHAT TO DO if we dont want output" )
-    return redirect("/loan/{}".format(id))
+    return jsonify(success=True)
 
 @app.route("/rem_parent_books_from_series/<pid>", methods=["POST"])
 def rem_parent_books_from_series(pid):
@@ -617,8 +613,7 @@ def rem_parent_books_from_series(pid):
     except SQLAlchemyError as e:
         st.SetAlert("danger")
         st.SetMessage("Failed to delete parent & sub books from ALL series! -- {}".format( e.orig ))
-    print ("NOT SURE WHAT TO DO if we dont want output - can we just return a 200?" )
-    return redirect("/")
+    return jsonify(success=True)
 
 @app.route("/", methods=["GET"])
 def main_page():