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Description: Avoid tripping over the multiprocessing import in compileall
Minimal includes compileall but not multiprocessing.
Forwarded: not-needed
--- a/Lib/compileall.py
+++ b/Lib/compileall.py
@@ -97,10 +97,13 @@
files = _walk_dir(dir, quiet=quiet, maxlevels=maxlevels)
success = True
if workers != 1 and ProcessPoolExecutor is not None:
- import multiprocessing
- if multiprocessing.get_start_method() == 'fork':
- mp_context = multiprocessing.get_context('forkserver')
- else:
+ try:
+ import multiprocessing
+ if multiprocessing.get_start_method() == 'fork':
+ mp_context = multiprocessing.get_context('forkserver')
+ else:
+ mp_context = None
+ except ImportError:
mp_context = None
# If workers == 0, let ProcessPoolExecutor choose
workers = workers or None
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