[execution][subprocess] Code cleanup

beat/core/execution/subprocess.py

@@ -41,16 +41,12 @@ subprocess
 Execution utilities
 """
 
-from __future__ import absolute_import
-
 import os
 import shutil
 import logging
 import sys
-import subprocess as sp
+import subprocess as sp  # nosec
 import tempfile
-import requests
-import zmq
 
 from beat.backend.python.execution import MessageHandler
 
@@ -415,7 +411,7 @@ class SubprocessExecutor(RemoteExecutor):
             algorithm_process.kill()
             status = algorithm_process.wait()
 
-        except:
+        except Exception:
             algorithm_process.kill()
             status = algorithm_process.wait()