diff --git a/bot.py b/bot.py
index 7577d66..bb61809 100644
--- a/bot.py
+++ b/bot.py
@@ -2014,7 +2014,7 @@ async def wyszukaj_linki_do_dokumentow(ctx):
     resultlink = []
     for item in query_response.json():
         resulttab.append(item["title"])
-        item_link = f"https://scihub.se/{item["DOI"]}"
+        item_link = "https://scihub.se/" + str(item["DOI"])
         resultlink.append(item_link)
     for i in range(1,5):
         query = quote_plus(resulttab[i-1])
diff --git a/conjurer_librarian/conjurer_librarian.py b/conjurer_librarian/conjurer_librarian.py
index 5b94526..73b25fd 100644
--- a/conjurer_librarian/conjurer_librarian.py
+++ b/conjurer_librarian/conjurer_librarian.py
@@ -91,13 +91,13 @@ class Librarian(object):
         return None
     def refine_query(self, unrefined_reqult):
         refined_result = []
-        for item in unrefined_reqult["summary"]
+        for item in unrefined_reqult["summary"]:
             if item["container"] == "NO":
-                item_link = f"https://scihub.se/{item["DOI"]}"
+                item_link = "https://scihub.se/" + str(item['DOI'])
                 if self.check_if_exists(item_link):
                     refined_result.append(item)
-                    print item_link
-                time.wait(0.2)
+                    print (item_link)
+                time.sleep(0.2)
         return refined_result
 
     def answer_query(self, query, uuid):