Address review comments

Signed-off-by: Tushar Goel <tushar.goel.dav@gmail.com>

Author: TG1999

vulnerabilities/improvers/__init__.py

@@ -18,7 +18,7 @@
 from vulnerabilities.pipelines import enhance_with_kev
 from vulnerabilities.pipelines import enhance_with_metasploit
 from vulnerabilities.pipelines import flag_ghost_packages
-
+from vulnerabilities.pipelines import remove_duplicate_advisories
 IMPROVERS_REGISTRY = [
     valid_versions.GitHubBasicImprover,
     valid_versions.GitLabBasicImprover,
@@ -45,6 +45,7 @@
     compute_package_version_rank.ComputeVersionRankPipeline,
     collect_commits.CollectFixCommitsPipeline,
     add_cvss31_to_CVEs.CVEAdvisoryMappingPipeline,
+    remove_duplicate_advisories.RemoveDuplicateAdvisoriesPipeline,
 ]
 
 IMPROVERS_REGISTRY = {