diff --git a/build/run.sh b/build/run.sh
index 13a4c13..775aca8 100644
--- a/build/run.sh
+++ b/build/run.sh
@@ -27,8 +27,8 @@ ln -s /hostroot/root /root/.home
 
 # install other stuff here
 
-pip install -U pip
-# install black
+pip3 install -U pip
+pip3 install black
 # install python packages
 # install yarn
 # install prettier
diff --git a/build/runuser.sh b/build/runuser.sh
index 159f954..01662ff 100644
--- a/build/runuser.sh
+++ b/build/runuser.sh
@@ -1,5 +1,9 @@
 #!/bin/bash
 
+set -x
+
+env
+
 TD="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd)"
 
 U="$USERNAME_TO_ADD"