Update the quartz config site file for 3.1.
#/usr/workspace/wsa/visit/visit/thirdparty_shared/3.1.0/toss3/cmake/3.9.3/linux-x86_64_gcc-4.9/bin/cmake
##
## ./build_visit3_1_0 generated host.cmake
-## created: Tue Nov 12 15:20:15 PST 2019
-## system: Linux quartz188 3.10.0-1062.1.1.1chaos.ch6.x86_64 #1 SMP Wed Sep 4 16:09:20 PDT 2019 x86_64 x86_64 x86_64 GNU/Linux
+## created: Mon Dec 9 11:52:39 PST 2019
+## system: Linux quartz1148 3.10.0-1062.1.1.1chaos.ch6.x86_64 #1 SMP Wed Sep 4 16:09:20 PDT 2019 x86_64 x86_64 x86_64 GNU/Linux
## by: brugger
##
@@ -68,6 +68,7 @@ VISIT_OPTION_DEFAULT(VISIT_OPENSSL_DIR ${VISITHOME}/openssl/1.0.2j/${VISITARCH})
## Python
##
VISIT_OPTION_DEFAULT(VISIT_PYTHON_DIR ${VISITHOME}/python/2.7.14/${VISITARCH})
+VISIT_OPTION_DEFAULT(VISIT_PYTHON3_DIR ${VISITHOME}/python/3.7.5/${VISITARCH})
##
## LLVM
