Merge pull request #1047 from jonathn/fix-pipenv-run-args

Ensure 'run <command>' arguments are not stolen by 'run' arguments

pipenv/cli.py

@@ -2217,6 +2217,7 @@ def inline_activate_virtualenv():
     short_help="Spawns a command installed into the virtualenv.",
     context_settings=dict(
         ignore_unknown_options=True,
+        allow_interspersed_args=False,
         allow_extra_args=True
     )
 )