Travis/win: python has been upgraded to 3.9.

diff --git a/.travis.yml b/.travis.yml
index 4633f46..ce00be4 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -52,7 +52,7 @@ jobs:
       - choco install boost-msvc-12 python jdk8
       - export CC=gcc
       - export CXX=g++
-      - export PATH='C:\Python38':'C:\local\boost_1_58_0':$PATH
+      - export PATH='C:\Python39':'C:\local\boost_1_58_0':$PATH
       - export BOOST_LIBRARYDIR='C:/local/boost_1_58_0/lib64-msvc-12.0'
       - export BOOST_INCLUDEDIR='C:/local/boost_1_58_0/include'
       - export JAVA_HOME='C:/Program Files/Java/jdk1.8.0_211'