fix #6 ignore has_in_collaborators (#7)

* fix #6 ignore has_in_collaborators

* remove not used var

src/pr_lint/linter.py

@@ -16,13 +16,11 @@ def lint(pr: PullRequest) -> None:
         pr: The pull request to lint
     """
 
-    title = pr.title
-    repo = pr.base.repo
-
-    pr_owners = re.findall(r"(@[\w]+)$", title)
+    pr_owners = re.findall(r"(@[\w]+)$", pr.title)
     assert pr_owners, "PR title should end with a GitHub username"
-    pr_owner = pr_owners[0][1:]
-    assert repo.has_in_collaborators(pr_owner), f"{pr_owner} is not a collaborator"
+    # FIXME: for some reason the has_in_collaborators method is not working
+    # pr_owner = pr_owners[0][1:]
+    # assert repo.has_in_collaborators(pr_owner), f"{pr_owner} is not a collaborator"
 
     labels = pr.get_labels()