Ensure that mis-passed tuples are formatted correctly

Fixes #1116
pika · Sep 14, 2018 · 2ba9911 · 2ba9911
1 parent 4ec4a42
commit 2ba9911
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/pika/adapters/base_connection.py b/pika/adapters/base_connection.py
@@ -56,7 +56,7 @@ def __init__(self,
         """
         if parameters and not isinstance(parameters, connection.Parameters):
             raise ValueError(
-                'Expected instance of Parameters, not %r' % parameters)
+                'Expected instance of Parameters, not %r' % (parameters,))
 
         self._nbio = nbio