Python 3.8 added an argument to _bootstrap. It should have been like this anyway.

(cherry picked from commit d469d9429ccf9feb6ebc6b25a9c68afd6570b9f4)

1 files changed, 2 insertions, 2 deletions

diff --git a/coverage/multiproc.py b/coverage/multiproc.py
index fe837318..3f4b4337 100644
--- a/coverage/multiproc.py
+++ b/coverage/multiproc.py
@@ -28,7 +28,7 @@ original_bootstrap = OriginalProcess._bootstrap
 class ProcessWithCoverage(OriginalProcess):
     """A replacement for multiprocess.Process that starts coverage."""
 
-    def _bootstrap(self):
+    def _bootstrap(self, *args, **kwargs):
         """Wrapper around _bootstrap to start coverage."""
         from coverage import Coverage       # avoid circular import
         rcfile = os.environ[COVERAGE_RCFILE_ENV]
@@ -38,7 +38,7 @@ class ProcessWithCoverage(OriginalProcess):
         try:
             if debug.should("multiproc"):
                 debug.write("Calling multiprocessing bootstrap")
-            return original_bootstrap(self)
+            return original_bootstrap(self, *args, **kwargs)
         finally:
             if debug.should("multiproc"):
                 debug.write("Finished multiprocessing bootstrap")