bindepend: use multiprocessing.cpu_count() instead of os.cpu_count()

os.cpu_count() is only available since Python 3.4, while multiprocessing is available since Python 2.6
pyinstaller · Dec 11, 2018 · 1634d8b · 1634d8b
1 parent 8fe2e1a
commit 1634d8b
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/PyInstaller/depend/bindepend.py b/PyInstaller/depend/bindepend.py
@@ -222,7 +222,8 @@ def Dependencies(lTOC, xtrapath=None, manifest=None, redirects=None):
 
     # 4 processes may yield up to +40% speed on 2 CPUs
     # 2 processes may yield up to +30% speed on 2 CPUs
-    processes = 2 * os.cpu_count()
+    # os.cpu_count is only available since Python 3.4, while multiprocessing is since 2.6
+    processes = 2 * multiprocessing.cpu_count()
     pool = multiprocessing.Pool(processes)
 
     if is_win: