1 files changed, 10 insertions, 0 deletions
diff --git a/jimbrella/exceptions.py b/jimbrella/exceptions.py
index c0cc055..498c6c4 100644
--- a/jimbrella/exceptions.py
+++ b/jimbrella/exceptions.py
@@ -27,6 +27,16 @@ class UmbrellaValueError(Exception):
         super().__init__(self.message)
 
 
+class TenantIdentityError(Exception):
+    """For when a tenant attempts to return an umbrella that's borrowed by another tenant."""
+
+    def __init__(self, expected, got):
+        self.expected = expected
+        self.got = got
+        self.message = f"Umbrella is borrowed by {expected} and {got} cannot return it."
+        super().__init__(self.message)
+
+
 class UsernameTakenError(Exception):
     """For when a username to be registered with is already taken."""