[PATCH v2 4/4] perf python: Avoid shadowing exception name in PostgreSQL exporter

[Leo Yan]

During the perf build, pylint reports:

  ************* Module export-to-postgresql
  python/export-to-postgresql.py:319:8: W0621: Redefining name 'e' from outer scope (line 100) (redefined-outer-name)

Rename 'e' to 'db_error' to clear the warning.

Fixes: b1f968c9656a ("perf python: Port export-to-postgresql to perf module")
Assisted-by: Codex:gpt-6
Signed-off-by: Leo Yan <leo.yan@xxxxxxx>
---
 tools/perf/python/export-to-postgresql.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/perf/python/export-to-postgresql.py b/tools/perf/python/export-to-postgresql.py
index b6782129354ed3b1bd750af41e7a002c7134bf12..9cac64dee361214de3d1f9907c5e6849327c8ed7 100755
--- a/tools/perf/python/export-to-postgresql.py
+++ b/tools/perf/python/export-to-postgresql.py
@@ -316,9 +316,9 @@ class PostgresExporter:
             # SQL identifiers are double-quoted; escape embedded double quotes by doubling them.
             db_name = self.dbname.replace('"', '""')
             self.do_query(f'CREATE DATABASE "{db_name}"')
-        except Exception as e:
+        except Exception as db_error:
             shutil.rmtree(self.output_dir_name, ignore_errors=True)
-            raise e
+            raise db_error
         self.disconnect()
 
         self.connect(self.dbname)

-- 
2.34.1