diff --git a/lib/ansible/utils/cmd_functions.py b/lib/ansible/utils/cmd_functions.py
index b3a77e4c2c..80937e4148 100644
--- a/lib/ansible/utils/cmd_functions.py
+++ b/lib/ansible/utils/cmd_functions.py
@@ -24,7 +24,7 @@ import shlex
 import subprocess
 import select
 
-from ansible.compat.six import PY2
+from ansible.compat.six import PY2, PY3
 from ansible.module_utils._text import to_bytes
 
 def run_cmd(cmd, live=False, readsize=10):
@@ -51,7 +51,11 @@ def run_cmd(cmd, live=False, readsize=10):
         if p.stdout in rfd:
             dat = os.read(p.stdout.fileno(), readsize)
             if live:
-                sys.stdout.write(dat)
+                # On python3, stdout has a codec to go from text type to bytes
+                if PY3:
+                    sys.stdout.buffer.write(dat)
+                else:
+                    sys.stdout.write(dat)
             stdout += dat
             if dat == b'':
                 rpipes.remove(p.stdout)
@@ -59,7 +63,11 @@ def run_cmd(cmd, live=False, readsize=10):
             dat = os.read(p.stderr.fileno(), readsize)
             stderr += dat
             if live:
-                sys.stdout.write(dat)
+                # On python3, stdout has a codec to go from text type to bytes
+                if PY3:
+                    sys.stdout.buffer.write(dat)
+                else:
+                    sys.stdout.write(dat)
             if dat == b'':
                 rpipes.remove(p.stderr)
         # only break out if we've emptied the pipes, or there is nothing to
diff --git a/test/utils/shippable/python3-test-target-blacklist.txt b/test/utils/shippable/python3-test-target-blacklist.txt
index 2c22b39ac9..e69de29bb2 100644
--- a/test/utils/shippable/python3-test-target-blacklist.txt
+++ b/test/utils/shippable/python3-test-target-blacklist.txt
@@ -1,3 +0,0 @@
-s/ pull_run / /
-s/ pull_no_127 / /
-s/ pull_limit_inventory / /