fixup! Try native support instead

django/core/management/commands/shell.py

@@ -10,9 +10,8 @@
 
 class Command(BaseCommand):
     help = (
-        "Runs Python code passed through standard input if any otherwise "
-        "runs an interactive interpreter, like the python CLI. "
-        "It tries to use Tries to use IPython or bpython, if one of them is available."
+        "Runs a Python interactive interpreter. Tries to use IPython or bpython, if one of them is available"
+        "Like the python CLI, it would read and execute code passed to standard input if any and then exit."
     )
 
     requires_system_checks = False
@@ -121,8 +120,8 @@ def handle(self, **options):
             exec(options['command'])
             return
 
-        if select.select([sys.stdin], [], [], 0.0)[0]:
-            # Execute stdin and exit
+        # Execute stdin if it has anything to read and exit
+        if select.select([sys.stdin], [], [], 0)[0]:
             exec(sys.stdin.read())
             return