fix: [install] bug after installing ``pip``

Signed-off-by: Valentin Lab <valentin.lab@kalysto.org>

bin/pandachi-install

@@ -113,7 +113,7 @@ EOF
 apt-get install -y build-essential  </dev/null  # seems to require a C compiler
 pip install pip==19.3.1 cffi==1.12.3 subprocess32==3.5.4 texttable==1.6.2 \
     git+https://github.com/0k/compose@run_ignore_orphans
-
+hash -d pip   ## Bug after updating pip
 
 if [ "$DOMAIN" ]; then
     sed -ri "s/^(\s+domain:\s+).*$/\1$DOMAIN/g" compose.yml