Merge ~pappacena/twisted:pr1478-backport into ~launchpad/twisted:Twisted-20.3.0+lp3

[Thiago F. Pappacena]

Removing dict.itervalues call from process for py3 compatibility (upstream PR https://github.com/twisted/twisted/pull/1478).

[Colin Watson (cjwatson)]

review: Approve

Unmerged commits

d66d8a8... by Thiago F. Pappacena on 2021-01-08

Removing dict.itervalues call from process for py3 compatibility

diff --git a/src/twisted/internet/process.py b/src/twisted/internet/process.py
index de94cb8..b188e2b 100644
--- a/src/twisted/internet/process.py
+++ b/src/twisted/internet/process.py
@@ -846,13 +846,13 @@ class Process(_BaseProcess):
 
 
     def pauseProducing(self):
-        for p in self.pipes.itervalues():
+        for p in self.pipes.values():
             if isinstance(p, ProcessReader):
                 p.stopReading()
 
 
     def resumeProducing(self):
-        for p in self.pipes.itervalues():
+        for p in self.pipes.values():
             if isinstance(p, ProcessReader):
                 p.startReading()