fixed formatting for example files

Author: m0mosenpai

documentation/pysa_tutorial/exercise2/views.py

@@ -7,6 +7,7 @@
 
 from django.http import HttpRequest, HttpResponse
 
+
 def operate_on_twos(request: HttpRequest) -> HttpResponse:
     operator = request.POST["operator"]
 
@@ -19,9 +20,10 @@ def operate_on_threes(request: HttpRequest) -> HttpResponse:
     operator = request.GET["operator"]
 
     exec(f"result = 3 {operator} 3")
- 
+
     return result  # noqa: F82 1
 
+
 def operate_on_fours(request: HttpRequest) -> HttpResponse:
     operator = request.GET["operator"]