Update get_single_diffs.py

get_single_diffs.py

@@ -26,7 +26,7 @@ def get_file_contents(commit, old_file, new_file, repo, cwd=None):
     completed = run_in_shell("git fetch --depth 2 origin " + commit, cwd=cwd)
     # If it times out as repo requires a username
     if completed.returncode != 0:
-        return (new_contents, "")
+        return ""
     git_diff = run_in_shell(f"git diff {commit}^ {commit}", cwd=cwd).stdout.decode()
     return git_diff