Merge 3.4.

Lib/multiprocessing/popen_fork.py

@@ -47,7 +47,7 @@ class Popen(object):
     def wait(self, timeout=None):
         if self.returncode is None:
             if timeout is not None:
-                from .connection import wait
+                from multiprocessing.connection import wait
                 if not wait([self.sentinel], timeout):
                     return None
             # This shouldn't block if wait() returned successfully.

Lib/multiprocessing/popen_forkserver.py

@@ -57,7 +57,7 @@ class Popen(popen_fork.Popen):
 
     def poll(self, flag=os.WNOHANG):
         if self.returncode is None:
-            from .connection import wait
+            from multiprocessing.connection import wait
             timeout = 0 if flag == os.WNOHANG else None
             if not wait([self.sentinel], timeout):
                 return None

Misc/NEWS

@@ -23,6 +23,8 @@ Core and Builtins
 Library
 -------
 
+- Issue #20633: Replace relative import by absolute import.
+
 - Issue #20980: Stop wrapping exception when using ThreadPool.
 
 - Issue #20990: Fix issues found by pyflakes for multiprocessing.