Fixed #55/56/57 alerts

Author: nikolienka24

buggy_python_code.py

@@ -1,4 +1,4 @@
-import sys 
+import sys
 import os
 import yaml
 import flask
@@ -53,8 +53,8 @@ def authenticate(password):
     print("3. Yaml deserialization vulnerability:")
     print("4. Use of assert statements vulnerability:")
     choice  = input("Select vulnerability: ")
-    if choice == "1": 
-        new_person = Person("Vickie")  
+    if choice == "1":
+        new_person = Person("Vickie")
         print_nametag(input("Please format your nametag: "), new_person)
     elif choice == "2":
         urlib_version = input("Choose version of urllib: ")