try to workaround travis problem

sbourdeauducq · sbourdeauducq · commit 53f55a750283 · 2015-07-31T14:01:39.000+08:00
diff --git a/conda/artiq/build.sh b/conda/artiq/build.sh
@@ -18,11 +18,7 @@ mkdir -p $BIN_PREFIX/kc705 $BIN_PREFIX/pipistrello
 
 # build for KC705
 
-echo $PYTHONPATH
-echo $PREFIX/lib/python3.4/site-packages
-ls $PREFIX/lib/python3.4/site-packages
-ls $PREFIX/lib/python3.4/site-packages/migen
-ls $PREFIX/lib/python3.4/site-packages/mibuild
+PYTHONPATH=$PREFIX/lib/python3.4/site-packages
 
 cd $SRC_DIR/misoc; python make.py -X ../soc -t artiq_kc705 build-headers build-bios; cd -
 make -C soc/runtime clean runtime.fbi
