ignore pip3 installed packages

Author: mohitkyadav

.bin/install_pip3.sh

@@ -1,3 +1,3 @@
 #!/bin/bash
 sudo -H python3 -m pip install --upgrade pip
-sudo -H python3 -m pip install -Ur pip3-requirements.txt
+sudo -H python3 -m pip install --ignore-installed -Ur pip3-requirements.txt