replaces multiprocessing module by multiprocess module in testsuite

dnn/torch/testsuite/requirements.txt

@@ -8,4 +8,5 @@ soundfile
 pyyaml
 pesq
 AMFM_decompy
-matplotlib
\ No newline at end of file
+matplotlib
+multiprocess
\ No newline at end of file

dnn/torch/testsuite/run_test.py

-
-from genericpath import isfile
 import os
-import multiprocessing
+import multiprocess as multiprocessing
 import random
 import subprocess
 import argparse
@@ -26,7 +24,6 @@ parser.add_argument('--num-workers', type=int, help="number of subprocesses to b
 parser.add_argument('--plc-suffix', type=str, default="_is_lost.txt", help="suffix of plc error pattern file: only relevant if command chain uses PLCFILE (default=_is_lost.txt)")
 parser.add_argument('--metrics', type=str, default='warpq', help='comma separated string of metrics, supported: {{"warpq", "pesq"}}, default="warpq"')
 
-
 def check_for_sox_in_path():
     r = subprocess.run("sox -h", shell=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
     return r.returncode == 0