Protect from bad token

app.py

@@ -16,13 +16,18 @@ def get_release_notes(
     repo: str,
     tag: str,
     branch: str,
-    contributor_treshold: int,
+    contributor_treshhold: int,
     ignore_dependabot: bool,
     ignore_direct: bool,
 ):
     date = get_tag_commit_date(token, repo, tag)
+
+    if date is None:
+        return "The token was invalid or didn't have the necessary scopes."
+
     commits = get_commits(token, repo, branch, date)
 
+
     result = ""
     contributors = {}
 
@@ -52,7 +57,7 @@ def get_release_notes(
             result += f"* {commit.message} by @{commit.user.name} (direct commit on {branch})\n"
 
     significant_contributors = {
-        k: v for k, v in contributors.items() if (v.additions + v.deletions) > contributor_treshold and k != '<NOT FOUND>'
+        k: v for k, v in contributors.items() if (v.additions + v.deletions) > contributor_treshhold and k != '<NOT FOUND>'
     }
 
     if len(significant_contributors):

graphql_calls.py

@@ -43,7 +43,15 @@ def get_tag_commit_date(token, repository, tag):
         }}
     }}
     """
-    return call_with_query(query, token)['data']['repository']['object']['committedDate']
+
+    response = call_with_query(query, token)
+
+    try:
+        committed_date = response['data']['repository']['object']['committedDate']
+    except KeyError:
+        committed_date = None
+
+    return committed_date
 
 
 def get_commits(token, repository, branch, since):