fixed typo in session.py in line 3063

Changed : wish to detect is a "rollback" is
 to : wish to detect if a "rollback" is
, improving clarity.

(cherry picked from commit 7f260c95d65f9bb77e4e0bbb8ef78f57b183fc7c)

diff --git a/lib/sqlalchemy/orm/session.py b/lib/sqlalchemy/orm/session.py
index f5152397561c9d4718a207f53492a42b2381e07f..4ffb5e5ff1fb9b0c202c3182d2fcebf69d5ccddd 100644 (file)
--- a/lib/sqlalchemy/orm/session.py
+++ b/lib/sqlalchemy/orm/session.py
@@ -2772,7 +2772,7 @@ class Session(_SessionClassMethods):
         "partial rollback" state.
 
         From all the above, it follows that the only purpose to this flag is
-        for application frameworks that wish to detect is a "rollback" is
+        for application frameworks that wish to detect if a "rollback" is
         necessary within a generic error handling routine, for
         :class:`.Session` objects that would otherwise be in
         "partial rollback" mode.  In a typical integration case, this is also