Hi Laszlo, Attached debdiff fixes the issue. Can I NMU it? A bunch of the OpenStack packages that I maintain will otherwise be auto-removed soon...
Cheers, Thomas Goirand (zigo)
diff -Nru grpc-1.26.0/debian/changelog grpc-1.26.0/debian/changelog --- grpc-1.26.0/debian/changelog 2020-03-21 18:23:30.000000000 +0100 +++ grpc-1.26.0/debian/changelog 2020-04-30 22:49:57.000000000 +0200 @@ -1,3 +1,10 @@ +grpc (1.26.0-2.1) UNRELEASED; urgency=medium + + * Non-maintainer upload. + * Rebuild. + + -- Thomas Goirand <z...@debian.org> Thu, 30 Apr 2020 22:49:57 +0200 + grpc (1.26.0-2) unstable; urgency=medium * Build with protobuf version 3.11.4 or later (closes: #946194). diff -Nru grpc-1.26.0/debian/patches/allow-any-sphinx.patch grpc-1.26.0/debian/patches/allow-any-sphinx.patch --- grpc-1.26.0/debian/patches/allow-any-sphinx.patch 1970-01-01 01:00:00.000000000 +0100 +++ grpc-1.26.0/debian/patches/allow-any-sphinx.patch 2020-04-30 22:49:57.000000000 +0200 @@ -0,0 +1,16 @@ +Description: Allow any version of sphinx +Author: Thomas Goirand <z...@debian.org> +Forwarded: no +Last-Update: 2020-04-30 + +--- grpc-1.26.0.orig/setup.py ++++ grpc-1.26.0/setup.py +@@ -336,7 +336,7 @@ INSTALL_REQUIRES = ( + ) + + SETUP_REQUIRES = INSTALL_REQUIRES + ( +- 'Sphinx~=1.8.1', ++ 'Sphinx', + 'six>=1.10', + ) if ENABLE_DOCUMENTATION_BUILD else () + diff -Nru grpc-1.26.0/debian/patches/series grpc-1.26.0/debian/patches/series --- grpc-1.26.0/debian/patches/series 2019-12-20 15:34:21.000000000 +0100 +++ grpc-1.26.0/debian/patches/series 2020-04-30 22:49:57.000000000 +0200 @@ -9,3 +9,4 @@ fix-protoc-path.patch add_grpc_libdir.patch unbreak_foreach.patch +allow-any-sphinx.patch