Merge pull request #16494 from jsoref/codeql-unused-loop-iterator-name

Codeql unused loop iterator name

diff --cc regression-tests.dnsdist/test_TCPKeepAlive.py
index 1f47b72b3472323ea5569121a696410073b37e6e,99ceb9aecdf5e9b1843a6eaebf1ff38955c96a82..68813b24716c198343632b9896e218d83df6b733
--- 1/regression-tests.dnsdist/test_TCPKeepAlive.py
--- 2/regression-tests.dnsdist/test_TCPKeepAlive.py
+++ b/regression-tests.dnsdist/test_TCPKeepAlive.py
@@@ -240,10 -240,10 +240,10 @@@ class TestTCPKeepAlive(DNSDistTest)
                      break
                  self.assertEqual(expectedResponse, response)
                  count = count + 1
 -            except:
 +            except Exception:
                  pass
  
-         for con in conns:
+         for conn in conns:
            conn.close()
  
          self.assertEqual(count, numConns * numQueriesPerConn)