"OSError: [Errno 8] Exec format error" raised when running a script with shell=False

$ cat test.sh
exit 1

In [1]: from sarge import run

In [2]: p = run('./test.sh')
---------------------------------------------------------------------------
OSError                                   Traceback (most recent call last)
<ipython-input-2-ada95d880d6b> in <module>()
----> 1 p = run('./test.sh')

/home/dmalinovsky/.virtualenvs/venv/lib/python3.3/site-packages/sarge/__init__.py in run(cmd, **kwargs)
   1364     else:
   1365         with Pipeline(cmd, **kwargs) as p:
-> 1366             p.run(input=input, async=async)
   1367     return p
   1368 

/home/dmalinovsky/.virtualenvs/venv/lib/python3.3/site-packages/sarge/__init__.py in run(self, input, async)
    995         self.commands = []
    996         self.opened = []
--> 997         self.run_node(self.tree, input=input, async=async)
    998         return self
    999 

/home/dmalinovsky/.virtualenvs/venv/lib/python3.3/site-packages/sarge/__init__.py in run_node(self, node, input, async, event)
   1083         kind = node.kind
   1084         method = 'run_%s_node' % kind
-> 1085         result = getattr(self, method)(node, input, async)
   1086         if event:
   1087             event.set()

/home/dmalinovsky/.virtualenvs/venv/lib/python3.3/site-packages/sarge/__init__.py in run_command_node(self, node, input, async)
   1229             kwargs['stderr'] = self.stderr or stderr
   1230         node.cmd = self.new_command(node.command, **kwargs)
-> 1231         node.cmd.run(input=input, async=async)
   1232 
   1233     def get_status(self, node):

/home/dmalinovsky/.virtualenvs/venv/lib/python3.3/site-packages/sarge/__init__.py in run(self, input, async)
    621                 else:
    622                     self.kwargs['stdin'] = subprocess.PIPE
--> 623             self.process = p = Popen(self.args, **self.kwargs)
    624             self.stdin = p.stdin
    625             logger.debug('Popen: %s, %s -> %s', self, self.kwargs, p.__dict__)

/home/dmalinovsky/.pyenv/versions/3.3.4/lib/python3.3/subprocess.py in __init__(self, args, bufsize, executable, stdin, stdout, stderr, preexec_fn, close_fds, shell, cwd, env, universal_newlines, startupinfo, creationflags, restore_signals, start_new_session, pass_fds)
    815                                 c2pread, c2pwrite,
    816                                 errread, errwrite,
--> 817                                 restore_signals, start_new_session)
    818         except:
    819             # Cleanup if the child failed starting.

/home/dmalinovsky/.pyenv/versions/3.3.4/lib/python3.3/subprocess.py in _execute_child(self, args, executable, preexec_fn, close_fds, pass_fds, cwd, env, startupinfo, creationflags, shell, p2cread, p2cwrite, c2pread, c2pwrite, errread, errwrite, restore_signals, start_new_session)
   1439                             else:
   1440                                 err_msg += ': ' + repr(orig_executable)
-> 1441                     raise child_exception_type(errno_num, err_msg)
   1442                 raise child_exception_type(err_msg)
   1443 

OSError: [Errno 8] Exec format error

In [3]: p = run('./test.sh', shell=True)

In [4]: p.wait()

In [5]: p.returncode
Out[5]: 1

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