cleanup code examples in README

README.md

@@ -106,20 +106,22 @@ Depends on
           * if user doesn't have mfa then call your function to create the user session
 
    ```python
+    from mfa.helpers import has_mfa
+
     def login(request):  # this function handles the login form POST
        user = auth.authenticate(username=username, password=password)
        if user is not None:  # if the user object exist
-            from mfa.helpers import has_mfa
             res =  has_mfa(username=username, request=request)  # has_mfa returns false or HttpResponseRedirect
             if res:
                 return res
             return log_user_in(request, username=user.username)
-            #log_user_in is a function that handles creatung user session, it should be in the setting file as MFA_CALLBACK
+            # log_user_in is a function that handles creating user session, it should be in the setting file as MFA_CALLBACK
      ```
 1. Add mfa to urls.py
    ```python
    import mfa
    import mfa.TrustedDevice
+
    urls_patterns = [
        '...',
        url(r'^mfa/', include('mfa.urls')),
@@ -149,12 +151,14 @@ To be able to go passwordless for returning users, create a cookie  named 'base_
 
 Second, update the GET part of your login view
 ```python
+from mfa.helpers import has_mfa
+
 if "mfa" in settings.INSTALLED_APPS and getattr(settings, "MFA_QUICKLOGIN", False) and request.COOKIES.get('base_username'):
     username=request.COOKIES.get('base_username')
-        from mfa.helpers import has_mfa
-        res =  has_mfa(username = username,request=request,)
-        if res: return res
-        ## continue and return the form.
+    res = has_mfa(username=username, request=request)
+    if res:
+        return res
+    # continue and return the form.
 ```
 # Checking MFA on Client Side