Merge branch 'master' into torchscript_extensions

Author: DvirDukhan

tests/flow/tests_tensorflow.py

@@ -616,6 +616,10 @@ def test_tensorflow_modelrun_disconnect(env):
 
 @skip_if_no_TF
 def test_tensorflow_modelrun_with_batch_and_minbatch(env):
+    if VALGRIND:
+        env.debugPrint("skipping {} since VALGRIND=1".format(
+            sys._getframe().f_code.co_name), force=True)
+        return
     con = env.getConnection()
     batch_size = 2
     minbatch_size = 2