fix log line view in admin data when bytes are not utf8

archivebox/plugantic/views.py

@@ -403,7 +403,7 @@ def log_list_view(request: HttpRequest, **kwargs) -> TableContext:
                 f.seek(-1024, os.SEEK_END)
             except OSError:
                 f.seek(0)
-            last_lines = f.read().decode().split("\n")
+            last_lines = f.read().decode('utf-8', errors='replace').split("\n")
             non_empty_lines = [line for line in last_lines if line.strip()]
             rows["Most Recent Lines"].append(non_empty_lines[-1])