diff options
Diffstat (limited to 'Lib/multiprocessing/pool.py')
| -rw-r--r-- | Lib/multiprocessing/pool.py | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Lib/multiprocessing/pool.py b/Lib/multiprocessing/pool.py index 9da27d4..bc7e8f1 100644 --- a/Lib/multiprocessing/pool.py +++ b/Lib/multiprocessing/pool.py @@ -92,6 +92,9 @@ class Pool(object): except NotImplementedError: processes = 1 + if initializer is not None and not hasattr(initializer, '__call__'): + raise TypeError('initializer must be a callable') + self._pool = [] for i in range(processes): w = self.Process( |