diff --git a/db/database_manager.py b/db/database_manager.py
index ed48cce..9ded0a4 100644
--- a/db/database_manager.py
+++ b/db/database_manager.py
@@ -74,6 +74,7 @@ class DatabaseManager:
     def get_current_teacher_courses(self, number):
         sql = ""
         return None
+
     def get_course_type(self):
         sql = "SELECT course_name, course_type FROM course"
         result = self.fetch(sql)
@@ -87,7 +88,7 @@ class DatabaseManager:
     def insert_teacher(self, teacher):
         sql = "INSERT INTO teacher (name, user_id,teacher_number) VALUES (%s, %s, %s);"
 
-        data = (teacher.name, teacher.user_id,teacher.teacher_number)
+        data = (teacher.name, teacher.user_id, teacher.teacher_number)
         print(data)
         return self.execute(sql, data)