Merge branch 'master' into oracle-servicename-optionpr/152

1 files changed, 1 insertions, 10 deletions

diff --git a/lib/sqlalchemy/engine/strategies.py b/lib/sqlalchemy/engine/strategies.py
index 398ef8df6..fd665ad03 100644
--- a/lib/sqlalchemy/engine/strategies.py
+++ b/lib/sqlalchemy/engine/strategies.py
@@ -86,16 +86,7 @@ class DefaultEngineStrategy(EngineStrategy):
         pool = pop_kwarg('pool', None)
         if pool is None:
             def connect():
-                try:
-                    return dialect.connect(*cargs, **cparams)
-                except dialect.dbapi.Error as e:
-                    invalidated = dialect.is_disconnect(e, None, None)
-                    util.raise_from_cause(
-                        exc.DBAPIError.instance(
-                            None, None, e, dialect.dbapi.Error,
-                            connection_invalidated=invalidated
-                        )
-                    )
+                return dialect.connect(*cargs, **cparams)
 
             creator = pop_kwarg('creator', connect)