[incubator-mxnet] branch v1.x updated: empty list cannot be cleared issue fixed. (#14882)

[zh...@apache.org]

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zhasheng pushed a commit to branch v1.x
in repository https://gitbox.apache.org/repos/asf/incubator-mxnet.git


The following commit(s) were added to refs/heads/v1.x by this push:
     new a9bd1d2  empty list cannot be cleared issue fixed. (#14882)
a9bd1d2 is described below

commit a9bd1d2f18e0ae4c434aff1cd32e5e98324c1b73
Author: Hafiz Shehbaz Ali <hs...@users.noreply.github.com>
AuthorDate: Wed Sep 9 08:21:51 2020 +0400

    empty list cannot be cleared issue fixed. (#14882)
    
    * empty list cannot be cleared issue fixed.
    
    * Update multiproc_data.py
    
    Co-authored-by: Sheng Zha <sz...@users.noreply.github.com>
---
 example/ctc/multiproc_data.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/example/ctc/multiproc_data.py b/example/ctc/multiproc_data.py
index f4c6676..b33aa49 100644
--- a/example/ctc/multiproc_data.py
+++ b/example/ctc/multiproc_data.py
@@ -48,7 +48,7 @@ class MPData(object):
         self.queue = mp.Queue(maxsize=int(max_queue_size))
         self.alive = mp.Value(c_bool, False, lock=False)
         self.num_proc = num_processes
-        self.proc = list()
+        self.proc = []
         self.fn = fn
 
     def start(self):
@@ -122,4 +122,5 @@ class MPData(object):
         print("Queue size on reset: {}".format(qsize))
         for i, p in enumerate(self.proc):
             p.join()
-        self.proc.clear()
+        if self.proc:
+            self.proc = []