Installation in Linux

### Description
I have already installed 2.2.1, now i am trying to install 3.0.2. But getting below error, do i have to remove old installation before proceeding with new installation?

### System configuration

* Linux 7.3
* 3.0.2

[root@esbdslv51 scancode-toolkit-3.0.2]# ./scancode --help
* Configuring ScanCode for first use...
Traceback (most recent call last):
File "/test/Talko-Scan/scancode-toolkit-3.0.2/bin/scancode", line 11, in
load_entry_point('scancode-toolkit', 'console_scripts', 'scancode')()
File "/test/Talko-Scan/scancode-toolkit-3.0.2/lib/python2.7/site-packages/pkg_resources/__init__.py", line 484, in load_entry_point
return get_distribution(dist).load_entry_point(group, name)
File "/test/Talko-Scan/scancode-toolkit-3.0.2/lib/python2.7/site-packages/pkg_resources/__init__.py", line 2714, in load_entry_point
return ep.load()
File "/test/Talko-Scan/scancode-toolkit-3.0.2/lib/python2.7/site-packages/pkg_resources/__init__.py", line 2332, in load
return self.resolve()
File "/test/Talko-Scan/scancode-toolkit-3.0.2/lib/python2.7/site-packages/pkg_resources/__init__.py", line 2338, in resolve
module = __import__(self.module_name, fromlist=['__name__'], level=0)
File "/test/Talko-Scan/scancode-toolkit-3.0.2/src/scancode/cli.py", line 206, in
plugin_classes, plugin_options = PluginManager.load_plugins()
File "/test/Talko-Scan/scancode-toolkit-3.0.2/src/plugincode/__init__.py", line 190, in load_plugins
mgr_setup = manager.setup()
File "/test/Talko-Scan/scancode-toolkit-3.0.2/src/plugincode/__init__.py", line 217, in setup
self.manager.load_setuptools_entrypoints(entrypoint)
File "/test/Talko-Scan/scancode-toolkit-3.0.2/lib/python2.7/site-packages/pluggy/manager.py", line 267, in load_setuptools_entrypoints
plugin = ep.load()
File "/test/Talko-Scan/scancode-toolkit-3.0.2/lib/python2.7/site-packages/pkg_resources/__init__.py", line 2332, in load
return self.resolve()
File "/test/Talko-Scan/scancode-toolkit-3.0.2/lib/python2.7/site-packages/pkg_resources/__init__.py", line 2338, in resolve
module = __import__(self.module_name, fromlist=['__name__'], level=0)
File "/test/Talko-Scan/scancode-toolkit-3.0.2/src/packagedcode/__init__.py", line 37, in
from packagedcode import rubygems
File "/test/Talko-Scan/scancode-toolkit-3.0.2/src/packagedcode/rubygems.py", line 40, in
from extractcode import archive
File "/test/Talko-Scan/scancode-toolkit-3.0.2/src/extractcode/archive.py", line 51, in
from extractcode import libarchive2
File "/test/Talko-Scan/scancode-toolkit-3.0.2/src/extractcode/libarchive2.py", line 114, in
libarchive = load_lib()
File "/test/Talko-Scan/scancode-toolkit-3.0.2/src/extractcode/libarchive2.py", line 104, in load_lib
return command.load_shared_library(dll, libdir)
File "/test/Talko-Scan/scancode-toolkit-3.0.2/src/commoncode/command.py", line 222, in load_shared_library
lib = ctypes.CDLL(dll_path)
File "/usr/lib64/python2.7/ctypes/__init__.py", line 360, in __init__
self._handle = _dlopen(self._name, mode)
OSError: libbz2.so.1.0: cannot open shared object file: No such file or directory