fix duplicated function name

teach_auto/collect_forks.py

@@ -28,7 +28,7 @@ def validate_iso_date(date: str) -> str:
         raise ValueError("Deadline must be in ISO-8601 format.")
 
 
-def collect_forks(project_url: str, header=Dict[str, str]) -> List[Dict]:
+def request_forks(project_url: str, header=Dict[str, str]) -> List[Dict]:
     """Retrieve the metadata from all forks of input project"""
     base, namespace, repo = parse_repo_url(project_url)
     upstream_id = get_project_id(project_url, header)
@@ -153,7 +153,7 @@ def collect_forks(repo_url, token_path, deadline=None, group_only=False):
 
     # Get metadata of all forks from input project
     header = {"PRIVATE-TOKEN": token}
-    forks = collect_forks(repo_url, header)
+    forks = request_forks(repo_url, header)
     # Only keep those which belong to a group
     if group_only:
         forks = filter_group_forks(forks)