Stop using some context managers that we don't need. (#383)
Stop using some context managers that we don't need. (#383)


priyawadhwa/runtimes-common,nkubala/runtimes-common,sharifelgamal/runtimes-common,nkubala/runtimes-common,priyawadhwa/runtimes-common,sharifelgamal/runtimes-common,nkubala/runtimes-common,nkubala/runtimes-common,priyawadhwa/runtimes-common,dlorenc/runtimes-common,GoogleCloudPlatform/runtimes-common,priyawadhwa/runtimes-common,priyawadhwa/runtimes-common,priyawadhwa/runtimes-common,priyawadhwa/runtimes-common,sharifelgamal/runtimes-common,sharifelgamal/runtimes-common,dlorenc/runtimes-common,GoogleCloudPlatform/runtimes-common,nkubala/runtimes-common,sharifelgamal/runtimes-common,sharifelgamal/runtimes-common,sharifelgamal/runtimes-common,dlorenc/runtimes-common,GoogleCloudPlatform/runtimes-common