Use conda + Update initial setup docs

scripts/check-tracegen.sh

@@ -7,17 +7,24 @@ AXE_DIR=$(realpath ${SCRIPT_DIR}/../tools/axe)
 ROCKET_DIR=$(realpath ${SCRIPT_DIR}/../generators/rocket-chip)
 
 TO_AXE=${ROCKET_DIR}/scripts/toaxe.py
+TO_AXE_PY3=/tmp/toaxe.py
 AXE=${AXE_DIR}/src/axe
 AXE_SHRINK=${AXE_DIR}/src/axe-shrink.py
+AXE_SHRINK_PY3=/tmp/axe-shrink.py
+
+# TODO: convert scripts to py3 in src
+2to3 $TO_AXE -o /tmp -n -w
+sed -i '30d' $TO_AXE_PY3 # remove import sets
+2to3 $AXE_SHRINK -o /tmp -n -w
 
 PATH=$PATH:${AXE_DIR}/src
 
 grep '.*:.*#.*@' $1 > /tmp/clean-trace.txt
-python2 "$TO_AXE" /tmp/clean-trace.txt > /tmp/trace.axe
+python "$TO_AXE_PY3" /tmp/clean-trace.txt > /tmp/trace.axe
 result=$("$AXE" check wmo /tmp/trace.axe)
 
 if [ "$result" != OK ]; then
-    "$AXE_SHRINK" wmo /tmp/trace.axe
+    "$AXE_SHRINK_PY3" wmo /tmp/trace.axe
 else
     echo OK
 fi