From 9687d312ac8c23145fcaa3e966622ab93f74d60e Mon Sep 17 00:00:00 2001
From: Vardhaman <83634399+cyai@users.noreply.github.com>
Date: Tue, 7 Jun 2022 09:35:29 +0530
Subject: [PATCH] Update call_center.py

---
 solutions/object_oriented_design/call_center/call_center.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/solutions/object_oriented_design/call_center/call_center.py b/solutions/object_oriented_design/call_center/call_center.py
index 1d5e7bc6..205a9b15 100644
--- a/solutions/object_oriented_design/call_center/call_center.py
+++ b/solutions/object_oriented_design/call_center/call_center.py
@@ -94,7 +94,7 @@ class CallCenter(object):
 
     def dispatch_call(self, call):
         if call.rank not in (Rank.OPERATOR, Rank.SUPERVISOR, Rank.DIRECTOR):
-            raise ValueError('Invalid call rank: {}'.format(call.rank))
+            raise ValueError(f'Invalid call rank: {call.rank}')
         employee = None
         if call.rank == Rank.OPERATOR:
             employee = self._dispatch_call(call, self.operators)