Issue #20633: Replace relative import by absolute import.

Lib/multiprocessing/forking.py

@@ -132,7 +132,7 @@ def poll(self, flag=os.WNOHANG):
         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.

Misc/NEWS

@@ -13,6 +13,8 @@ Core and Builtins
 Library
 -------
 
+- Issue #20633: Replace relative import by absolute import.
+
 - Issue #20875: Prevent possible gzip "'read' is not defined" NameError.
   Patch by Claudiu Popa.