python-bugzilla
diff --git a/‎bugzilla/base.py‎
Lines changed: 2 additions & 7 deletions b/‎bugzilla/base.py‎
Lines changed: 2 additions & 7 deletions
@@ -1083,13 +1083,8 @@ def _alias_or_int(_v):
 
         if (include_fields is not None and aliases
                 and "alias" not in include_fields):
-            # Extra field to prevent sorting (see below) from cause an error
-            try:
-                include_fields.append("alias")
-            except AttributeError:
-                # Just in case somebody passed in a tuple or another non-list
-                # type
-                include_fields = list(include_fields) + ["alias"]
+            # Extra field to prevent sorting (see below) from causing an error
+            include_fields.append("alias")
 
         extra_fields = listify(extra_fields or [])
         extra_fields += self._getbug_extra_fields()