fix(api/auth/loginapi.py): Pull request review

https://g.codrs.ru/Hackaton/Backend/pulls/2#issuecomment-26
https://g.codrs.ru/Hackaton/Backend/pulls/2#issuecomment-20
https://g.codrs.ru/Hackaton/Backend/pulls/2#issuecomment-35

api/auth/loginapi.py

@@ -1,4 +1,4 @@
-from flask import Blueprint, request
+from flask import Blueprint, request, jsonify
 from model.user import user
 
 loginBP =  Blueprint("loginapi", __name__)
@@ -8,5 +8,5 @@ def login():
     email = request.form['email']
     password = request.form['password']
     #if(isvalid(email, password)):
-    us = user.initialize(email, password)
-    return us.toJSON()
+    us = user(email, password)
+    return jsonify(us.toDictionary())