bpo-39439: Fix multiprocessing spawn path in a venv on Windows (GH-18158)

miss-islington · ameily · web-flow · commit dbb37aac1428 · 2020-01-28T02:52:47.000-08:00
(cherry picked from commit 0be3246) Co-authored-by: Adam Meily <ameily@users.noreply.github.com>
diff --git a/Lib/multiprocessing/spawn.py b/Lib/multiprocessing/spawn.py
@@ -36,7 +36,7 @@
 if WINSERVICE:
     _python_exe = os.path.join(sys.exec_prefix, 'python.exe')
 else:
-    _python_exe = sys._base_executable
+    _python_exe = sys.executable
 
 def set_executable(exe):
     global _python_exe
diff --git a/Misc/NEWS.d/next/Windows/2020-01-24-03-15-05.bpo-39439.sFxGfR.rst b/Misc/NEWS.d/next/Windows/2020-01-24-03-15-05.bpo-39439.sFxGfR.rst
@@ -0,0 +1 @@
+Honor the Python path when a virtualenv is active on Windows.

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+Honor the Python path when a virtualenv is active on Windows.`